Were all his reraises similar to this one? Where he only doubled your raise? Depending on what he's done in the past hour and especially how he's moved over the top of you I definitely am looking to double through him however not with this hand. Based on the info you gave me I would fold it PF. My second option would be to take a flop. But moving in PF with AJ is scary to me. When I move in with these hands in LP it seems I will be shown ak or better everytime. You've got about 30bb if u fold this pf and maybe your table breaks soon so you can compile some chips without having to stick your neck out everytime you make a raise.