BlackWolf, reading your posts we have a lot in common. Although, I have several decades on you. I have suffered from depression since I was around 11. I had a few doubts about our Biblical beliefs, but I knew that I wanted to go to college and was met with great resistance from my family. I caved to my Fathers demands about college and years later he told me that he should have let me go to college. He found out that Watchtower had brothers that he respected who were engineers.
The primary reason I caved was that I thought my family would at least have peace and unity. I gave a prediction to my successful Father when I was eighteen about how the family business that he wanted me to get into would end up after his death. My words came 100% true. As far as unity in the family, they are all still active witnesses, but everyone has gone their own direction and doesn't even talk with each other and especially to me. Truth is, that not only do they have problems with each other, they also have problems with others in the congregations. There was constant turmoil in their lives. Some in the family bounce around from congregation to congregation and never find a happy place. I label them as the negative ones in the soap opera family.
I eventually separated myself from them many years ago by moving far away. When I was in my 20's I had an older spiritual brother tell me that it would be best to move away and make my own way. I believe he gave good advice and should have acted on it sooner. Even the Bible says that a man should leave his mother and father when getting married. I would advise to move away and not be in a hurry to getting married.
About work: A college education does not carry the weight that it once did. But I'm not discouraging you from that pursuit. At the moment there are opportunities with skilled labor, as many are retiring. I joined a labor union 10 years ago and have found plenty of work and I travel a lot for work. Welders, ironworkers, operators, pipe fitters etc. have apprenticeship programs available, being trained by journeymen who will shortly retire. You get paid a wage better than most starting out while you learn, health insurance and retirement. Just call one of the Locals Unions for more information if that interests you.
You can get antidepression medicine from a family doctor, you don't have to see a psychiatrist. A psychiatrist does not necessarily give worldly advice, they are trained specifically in the medications for your mind. Antidepressants are not a magic bullet to make you happy, but they do help. If you haven't started to drink alcohol, I wouldn't. It is no friend to depression. Stay away from the benzodiazepines for anxiety.
I know that listening to someone upbeat and positive is great. I listen to audible books and to Joel Olsteen. I know there is criticism of him by some, but he is very positive and his message is one that encourages you to look at the bright side of life and he uses Biblical examples of people like David, Moses, and Joseph to show how just because things are not great at the time it doesn't mean all of life is going to continue that way. It's just a chapter not the end of the book.
You are young, Think big, think bold, and pursue your dreams. Live in peace with those that are agreeable, don't spend emotional energy on negative people, keep your thinking at an elevated level. I know it's hard when you are young with all the uncertainty, but things will work out. You will find your way.