If you think that villain will play consistantly enough between this hand and the 45 call in the other: he is not drawing, like the 45 hand, because he played this much differently.

There is nothing more intimidating than the line villain pulls here IMO.

I think that at least 99% of the time villain has a better hand that AQ. Check raising heads up on the flop is one thing, but check raising the hero in position while being the middle man, is another.

If villain does this often, make a note and exploit.