I'm Jewish, ethnically and religiously.
I didn't know about my ethnic background when I was a kid and got baptized as a JW, so it was a culture shock to be sure to revert back into the community. And I didn't do it because I had some need for another religion or had a spiritual vacuum that needed to be filled. It had more to do with cultural identity.
Judaism is also not a religion about faith in that it isn't Christianity that judges people on what they "believe," what creed they claim allegance to, what doctrine they mentally and emotionally declare they acknowledge. Belief in God is not so much a mental acknowledgment of matter of faith. For Jews it's about how you respond to God. You can even be agnostic or secular (atheist) and still be considered a Jew. Religion for Jews is not about what doctrines you mentally acknowledge, it's about how you respond to the world and try to make it better not just for you but for everyone else.
I learned that the Christian and especially the JW view of Judaism was warped. As a JW I believed that Jews saw obedience to the Mosaic Law as a means to salvation. In reality Jews don't even have a doctrinal concept of salvation. Since Jews don't believe in original sin, they don't believe there is anything to be saved from. The Mosaic Law is seen as the opposite of slavery to the Egyptians, a way to exercise one's freedom to be their own individual. While most Jews don't observe many of the laws as they appear in Scripture (because the believe that changes in history often demand a reinterpretation of things), they do see its demands about living responsibly in the world as the most important.
As such I've learned to view atheists as upright and good as any religious person can be, as well as learn that religion or any type of ideology or creed is no guarantee that an adherent of such is not capable of evil. I view myself as no more "right" or having "the truth" as any other person, and that my first duty to another is to be their neighbor and not their judge seeking an opportunity to convert them to my views.
Scripture is studied critically, ritual is preserved as culture, and living life now (not just for some eternal life tomorrow) is seen as a duty to society and our responsibility to use our gifts in building it up. So it is very different from just believing some obscure doctrines. And it is not viewed as the "only way" to live. It wasn't always easy to become this after leaving the Watchtower world of black-and-white rules, either as you can see it is very different, even alien by comparison.