Did bad flop/turn play lead to tough river decision?

[Superfluous Man]

Party $22 sng. Read on the opponent is that he's a little on the tight/trappy side. How's my line up to the river? Also, what do you do on the river? I will attempt to justify my plays after hearing some opinions from those who are more expert in the gentle art of the sng.

Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (8 handed) converter

Button (t1075)
SB (t1199)
Hero (t945)
UTG (t815)
UTG+1 (t1348)
MP1 (t1124)
MP2 (t234)
CO (t1260)

Preflop: Hero is BB with K[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls t30, <font color="#666666">1 fold</font>, CO calls t30, Button calls t30, SB completes, Hero checks.

Flop: (t150) T[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, <font color="#CC3333">Hero bets t80</font>, MP1 folds, CO folds, Button folds, SB calls t80.

Turn: (t310) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets t125</font>, SB calls t125.

River: (t560) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t964 (all-in)</font>, Hero ????