No reads on villian. Did I play this right and why is Villian folding to one more bet in that pot??

PokerStars 3/6 Hold'em (6 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with T[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
UTG calls, <font color="#666666">1 fold</font>, <font color="#CC3333">CO raises</font>, <font color="#666666">2 folds</font>, Hero calls, UTG calls.

Flop: (6.33 SB) 2[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, CO folds, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">UTG caps</font>, Hero calls.

Turn: (7.16 BB) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Hero calls.

River: (11.16 BB) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">UTG 3-bets</font>, <font color="#CC3333">Hero caps</font>, UTG folds.

Final Pot: 18.16 BB
<font color="#009B00">Main Pot: 17.16 BB, won by Hero.</font>
<font color="#009B00">Pot 2: 1 BB, returned to Hero.</font>