Depending on the type of player he is, he may be aware enough to realize that you have been raising with inferior cards and its not that he has a great hand but that your play induced him to make a move on you. What does the 5%pfr mean?(AA-JJ) and Ak-AQ) with the aq being suited. I think mathematically you should dump it, but if he is that tight you may be able to outplay him on the flop. Lastly, do you trust yourself to dump it even when the flop comes ace high or king high? If you can do it, than go for it.