50NL flopped set ck raise turn?

[action44]

PokerStars Pot-Limit Hold'em, $0.50 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($80.65)
BB ($9.25)
UTG ($24.40)
Hero ($49.25)
MP2 ($15.35)
CO ($49.50)
Button ($33.85)

Preflop: Hero is MP1 with T[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1.5</font>, MP2 calls $1.50, <font color="#666666">1 fold</font>, Button calls $1.50, <font color="#666666">1 fold</font>, BB calls $1.

Flop: ($6.25) 5[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, <font color="#CC3333">Hero bets $2.5</font>, MP2 folds, <font color="#CC3333">Button raises to $12</font>, BB folds, Hero calls $9.50.

Turn: ($30.25) 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $28.8</font>, Button folds.

Final Pot: $30.25

Results in white below: <font color="#FFFFFF">
No showdown. Hero wins $30.25. </font>


Should I of went for ck raise? I thought he was commited and didnt want the board to 4 strt.. was this wrong?? figured a big bet was best to look like a bluff..