Odds to Chase?

[srt19170]

This was an interesting hand for me. I limped in CO-1 with 56s and it was raised behind me. The flop left me with a gutshot straight draw. I was about to fold when I realized I had the odds to call, and that continued to the river. Anybody play this any differently?

Party Poker 0.5/1 Hold'em (10 handed) converter

Preflop: Hero is MP2 with 5[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img].
UTG calls, UTG+1 calls, <font color="666666">1 fold</font>, MP1 calls, Hero calls, MP3 calls, CO calls, <font color="CC3333">Button raises</font>, SB calls, BB calls, UTG calls, UTG+1 calls, MP1 calls, Hero calls, MP3 calls, CO calls.

Flop: (18 SB) 7[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/spade.gif[/img] <font color="blue">(9 players)</font>
SB checks, BB checks, <font color="CC3333">UTG bets</font>, UTG+1 folds, MP1 calls, Hero calls, MP3 calls, CO calls, Button calls, SB folds, BB calls.

I'm getting 18:1 on the call with 4 outs.

Turn: (12.50 BB) J[img]/images/graemlins/heart.gif[/img] <font color="blue">(7 players)</font>
BB checks, UTG checks, <font color="CC3333">MP1 bets</font>, Hero calls, MP3 folds, CO calls, Button folds, BB calls, UTG folds.

Again, I'm getting more than 10:1.

River: (16.50 BB) J[img]/images/graemlins/club.gif[/img] <font color="blue">(4 players)</font>
BB checks, <font color="CC3333">MP1 bets</font>, Hero folds, CO calls, BB calls.

Final Pot: 19.50 BB