50 PLO8 tough hand vs nut fisher

[teteatot]

PokerStars Pot-Limit Omaha/8, $0.50 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP3 ($27.50)
CO ($13.65)
Hero ($189.25)
SB ($17.10)
BB ($21)
UTG ($68.45)
UTG+1 ($66.70)
MP1 ($30.85)
MP2 ($31.75)

Preflop: Hero is Button with K[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG raises to $1.5</font>, <font color="#666666">5 folds</font>, <font color="#CC3333">Hero raises to $3.5</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">UTG raises to $11.25</font>, Hero calls $7.75.

Flop: ($23.25) 3[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $22.1</font>, Hero folds.

Final Pot: $45.35

so, i know the guy is pretty much a nut fisher. i'm not sure i like how i played preflop, flop fold i'm a bit more comfortable with but still not sure on. advice on either is appreciated.