I think the fold is OK. If you dont have any reads on villain, a "reasonal" range for him would put him way ahead. Something like {88+,AQs+,AQo+} gives him 68% equity. And what is worse, you are OOP and gonna have no clue on the river about where you will be standing.
Of course with only 15 hands on villain, he could have a wider range but you dont know that, and you dont have any read indicating that.
One other thing, have you seen him raise before? is 5BB standard for him? Id say the PFR puts him on a very tight range, even more after calling your 3bet.

I think you should fold in this spot, and take notes if villain is raising/calling 3bets light, you should be able to exploit this in hands to come.