I know it's hard to start over with someone new, but that's what I would recommend. Even if he has never treated you poorly, how someone treats someone else can be an indicator of how he might treat you.
For instance, my next door neighbor owns a driving school. When I was 15 I overheard him in his backyard screaming at his wife. His school is the only one in my hometown and I HAD to go to him to learn how to drive (my parents were not able to teach me themselves). At first it was fine, but when I started actually driving, if I would make a mistake more than once he lost his temper with me. I remembered how he yelled at his wife and I would get really scared. It really affected how I drove.
I'm really sorry this happened to you, especially that it reminds you of your dad. I hope everything will work out for you.