PLO50-Standard 2nd set fold?!

[MATT111]

FullTiltPoker Game #3962928265: Table Depew (6 max) - $0.25/$0.50 - Pot Limit Omaha Hi - 13:26:04 ET - 2007/10/25
Seat 1: Hero ($60.05)
Seat 2: riutja ($92.60)
Seat 3: thephoenix18 ($55.25)
Seat 4: pyroboy2488 ($50.30)
Seat 5: bundys ($50)
Seat 6: IWANTBANANA ($80.70)
Hero posts the small blind of $0.25
riutja posts the big blind of $0.50
The button is in seat #6
*** HOLE CARDS ***
Dealt to dfgh111 [2c 4s Ks Kc]
thephoenix18 folds
pyroboy2488 calls $0.50
bundys raises to $2.25
IWANTBANANA calls $2.25
Hero calls $2
riutja calls $1.75
pyroboy2488 calls $1.75
*** FLOP *** [Ah Kd 3h]
Hero bets $11.25
riutja has 15 seconds left to act
riutja folds
pyroboy2488 folds
bundys raises to $45
IWANTBANANA folds
Uncalled bet of $33.75 returned to bundys
bundys mucks
bundys wins the pot ($32.10)
*** SUMMARY ***
Total pot $33.75 | Rake $1.65
Board: [Ah Kd 3h]


Villain is a regular. I have him at 20/5/1.7. If he is paying attention I probably have a very aggressive image. I run 24/15/2.6 and full pot a lot.
I would have called a shove by any other player but not the pfr. Is this a good flop line?
Also: Is pf too loose?