TT OOP 3bet pot

[Novles]

Full Tilt Poker - No Limit Hold'em Cash Game - $2/$4 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $396.00
BB: $541.20
UTG: $306.20
Hero (MP): $445.80
CO: $446.40
BTN: $542.00

Reads: <font color="blue">Villain is 18/15 over ~100 hands. He 3bet me just once before, a couple hands ago, when I raised a limper otb, he rr from SB and I folded. No other reads. Comments on all streets appreciated.</font>

Preflop: Hero is dealt T[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $14.00</font>, <font color="red">CO raises to $50.00</font>, 3 folds, Hero calls $36.00

Flop: ($106) 7[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $72.00</font>, Hero calls $72.00

Turn: ($250) Q[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, CO checks

River: ($250) 4[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $136.00</font>, Hero?