46s hits trips on flop; 3 bets flop, but gets raised

[bober2]

How should this be bet? Villain has stats of about
20/3/1.67 for 100 hands (unfortunately that includes this hand and some hands played after this hand, so it's not actually completely accurate at the time of the hand)

PokerStars No-Limit Hold'em, $0.05 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP3 ($4.25)
CO ($9.91)
Button ($2.24)
SB ($9.95)
BB ($0.89)
UTG ($4.83)
Hero ($22.63)
MP1 ($8.73)
MP2 ($16.63)

Preflop: Hero is UTG+1 with 4[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/club.gif[/img].
UTG calls $0.05, Hero calls $0.05, <font color="#666666">3 folds</font>, <font color="#CC3333">CO raises to $0.2</font>, <font color="#666666">3 folds</font>, UTG folds, Hero calls $0.15.

Flop: ($0.52) 2[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $0.5</font>, <font color="#CC3333">CO raises to $1</font>, <font color="#CC3333">Hero raises to $3</font>, <font color="#CC3333">CO raises to $8.95</font>, Hero folds.

Final Pot: $6.52