Common heads up situation, AK 3bet

[Jeffmet3]

Okay, I'm always lost on what to do in this situation:

FullTiltPoker Game #3040223936: Table Bean (heads up) - $3/$6 - No Limit Hold'em - 23:05:22 ET - 2007/07/23
Seat 1: Jeffmet3 ($1,572.25)
Seat 2: Blufn101 ($338.95)
Blufn101 posts the small blind of $3
Jeffmet3 posts the big blind of $6
The button is in seat #2
*** HOLE CARDS ***
Dealt to Jeffmet3 [Ks Ad]
Blufn101 raises to $18
Jeffmet3 raises to $54
Blufn101 calls $36
*** FLOP *** [9c Tc 5s]
Hero??

yes, this is basic I guess and I raise to $60 99.9% of the time, but is there a better line?

And folding to a raise is easy, but what do I do if he calls, and a blank hits?

Im just lost with AK/AQ/AJ in this spot

Sorry, didn't realize he was so shortstacked.

But how does your play differ with 50bbs vs 100bbs?

And assume random opponent

thanks