TPTK in RR pot against a LAG

[I_Like_Beer]

Villain is running at 36/23 with total Agg of 2.0. (Flop = 1.6; Turn = 2.5; River = 2.7)

Should I have bet turn? What should I do on the river?

Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 5 Players
LeggoPoker.com - Hand History Converter

Hero (BTN): $200
SB: $508.90
BB: $215.75
UTG: $193
CO: $325.05

Pre-Flop: Q[img]/images/graemlins/heart.gif[/img] A dealt to Hero (BTN)
BB folds, <font color="red">UTG raises to $6</font>, CO folds, <font color="red">Hero raises to $21</font>, SB folds, UTG calls $15

Flop: ($44) Q 4[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/spade.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $30</font>, UTG calls $30

Turn: ($104) 8 (2 Players)
UTG checks, Hero checks

River: ($104) 4 (2 Players)
<font color="red">UTG bets $75</font>, Hero ????


Thanks