Recent hand...what would you have done on the turn and why? Thanks for any and all input.
FRIENDLY Output From 2008-05-17 20:16:24
Full Tilt No-Limit Hold'em Tourney, Big Blind is t50 (7 handed)
CO (t1390)
Button (t2645)
SB (t3855)
BB (t1725)
UTG (t1055)
MP1 (t1390)
Hero (t1440)
Preflop: Hero is MP2 with

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UTG calls t40,
1 fold, Hero calls t40,
3 folds,
BB checks.
Flop: (t150)

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(3 players) BB checks,
UTG bets t40,
Hero raises to t160,
BB folds, UTG calls t120.
Turn: (t470)

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(2 players) UTG bets t40, Hero calls t40.
River: (t550)

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(2 players) Final Pot: t550
Ashpal bet t40, Hero raises t200. Ashpal calls t160.
*** SHOW DOWN ***
Hero shows [6d 7d] two pair, Sevens and Sixes
Ashpal mucks
Hero wins the pot (940) with two pair, Sevens and Sixes