PS $25 6 Max - Bad call?

[CorvusMonedula]

I've been beating myself up over this call on the turn as villain almost certainly has the current nuts with 68, but on reflection maybe it wasn't so bad, any thoughts?

PokerStars Pot-Limit Omaha High, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($19.25)
BB ($62.65)
UTG ($25.65)
MP ($25.40)
CO ($14.20)
Hero ($32.55)

Preflop: Hero is Button with 6[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
UTG calls $0.25, <font color="#CC3333">MP raises to $1</font>, <font color="#666666">1 fold</font>, Hero calls $1, SB calls $0.90, <font color="#666666">1 fold</font>, UTG calls $0.75.

Flop: ($4.25) 7[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, UTG checks, MP checks, <font color="#CC3333">Hero bets $3.25</font>, SB folds, UTG calls $3.25, MP folds.

Turn: ($10.75) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $7</font>, <font color="#CC3333">UTG raises to $21.4</font>, Hero calls $14.40.

River: ($53.55) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $53.55

Results in white below: <font color="#FFFFFF">

UTG has J [img]/images/graemlins/heart.gif[/img] J [img]/images/graemlins/spade.gif[/img] 8 [img]/images/graemlins/club.gif[/img] 6 [img]/images/graemlins/spade.gif[/img]
Outcome: UTG wins $53.55. </font>