Line check, overpair in position vs flush draw

[pottie]

Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) converter

MP ($421.20)
CO ($230.28)
Hero ($422.10)
SB ($340.70) {Average good 2-4 player}
BB ($378)
UTG ($416.20)

Preflop: Hero is Button with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $2.
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to $14</font>, SB (poster) calls $12, <font color="#666666">1 fold</font>.

Flop: ($32) 2[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $25</font>, SB calls $25.

Turn: ($82) 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: ($82) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $70</font>; Hero folds

I don't bet the turn cause I don't want to get check raised.