PL100: Middle set facing all-in on turn

[crashwhips]

No reads on villain. My logic in calling was that he could have 89 or be semibluffing with a draw, and 99 is somewhat unlikely because he didn't raise flop. I almost folded fearing 88 with hearts or a slowplayed 99 though. Standard?

PokerStars Pot-Limit Omaha High, $1.00 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($54.45)
SB ($133)
Hero ($100)
UTG ($41.70)
MP ($99)
CO ($176.10)

Preflop: Hero is BB with 4[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
UTG calls $1, <font color="#666666">1 fold</font>, CO calls $1, Button calls $1, SB completes, Hero checks.

Flop: ($5) 4[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, <font color="#CC3333">Hero bets $4.75</font>, UTG folds, CO calls $4.75, Button calls $4.75, SB calls $4.75.

Turn: ($24) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">Hero bets $22.85</font>, <font color="#CC3333">CO raises to $91.4</font>, Button folds, SB folds, <font color="#CC3333">Hero raises to $94.25</font>, CO calls $2.84.

River: ($212.50) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $212.50