11$HU Turbo SNG on FTP - can you fold this???

[CASHius-Clay]

OK here's my Problem.
got a straight on the river. Should I just call his bet or was my raise OK??

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Full Tilt Poker No-Limit Hold'em Tourney, Big Blind is t80 (2 handed) Hand History converter Courtesy of PokerZion.com

Hero (t1160)
Button <font color="#A500AF">(villain)</font> (t1840)

Preflop: Hero is BB with 6[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img].
Hero calls t40, Button <font color="#A500AF">(villain)</font> checks.

Flop: (t200) 7[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
villain checks, Hero checks.

Turn: (t200) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
villain checks, Hero checks.

River: (t200) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">villain bets t160</font>, <font color="#CC3333">Hero raises to t380</font>, <font color="#CC3333">villain raises to t1300</font>, Hero calls t700 (All-In).
<font color="white"> Villain had 74 </font> &lt;-- Villain hand

Final Pot: t2580
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Thanks for your help
Patrick