The distance between Euclid Avenue and the Foothill dorms is not very far.
There is a pizza shop on 2340 Telegraph Avenue that is open until 1am. It used to be Blondie’s, but the current occupant of the space is Abe’s.
There are other places on Telegraph Avenue. One place that comes up in a search is Tacos Sinaloa, open until 11pm (1am some nights).