Ramadan: would you trust.....?

Of Course: Prophet Muhammad(pbuh) always tried to create a connection with Jewish tribes, especially in Arabia because they were the only people that believed in one God. There's nothing wrong with it, the only thing i advise you is to not get absorbed by the religion: Remember that you bear witness that there no god, but Allah and Muhammad(pbuh) is the Messenger of Allah. (La illah ha illallah hu Muhammadar Rasullalllah)