but no matter how hard I try and make the feelings of guilt go away they just keep lingering
What are you guilty of? You did nothing wrong, you got out as soon as you were old enough to realize what it was doing to you. I did the same thing and at about the same age as well. Your parents, I am sure did what they feel was best for you. Obviously you realize it wasn't what was best for you but you were just a kid and did nothing wrong, so don't feel guilty. I ended up seeing a therapist because my anger was getting out of control and I was taking it out on those close to me. The therapist took time to learn about my religion and listened as I explained beliefs that influenced my thinking and upbringing. He really helped me step back and view everything in perspective. A therapist may work for you. Also you can go to meetup.com and see if there is an Ex-JW meetup in your area. We have one every month in my area. The meet-ups will help you find people who do understand what you are going through.
Good Luck on your journey. Time heals all wounds.