Christmas lights are a religious symbol. They are not secular. (But, obviously, secular people have adopted Christmas lights for their own purposes.)
In this case, you should be learning from your daughter, as Malachi 4:6Malachi 3:24 says will happen. There is no reason why you should be trying to make your daughter feel comfortable with Christian practices, or feel comfortable living in America, while the perfectly-good option of moving to Israel is available.
Gd said "Lech L'cha", and the opportunity to do so is wide open.