Tricky flop/turn spot 5/10 PLO8

[Borys313]

Villian looks like a winning player, not really crazy for sure. Since I have the nut flush draw no idea what does he have??

PokerStars Pot-Limit Omaha/8, $10 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP1 ($1117)
MP2 ($1123.75)
MP3 ($786.25)
CO ($580)
Button ($1032.75)
SB ($1265)
BB ($1260.50)
UTG ($200)
Hero ($1801.25)

Preflop: Hero is UTG+1 with 2[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, Hero calls $10, <font color="#666666">4 folds</font>, Button calls $10, SB completes, BB checks.

Flop: ($40) K[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets $38</font>, <font color="#CC3333">Button raises to $152</font>, SB folds, BB folds, Hero calls $114.

Turn: ($344) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $341</font>, Hero folds.

Final Pot: $344

Results in white below: <font color="#FFFFFF">
No showdown. Button wins $344. </font>

Is my fold to nitty? Anyone play different here?