Top Pair decent kicker against some resistance, what would you do?

[MEbenhoe]

PokerStars 0.50/1.00 Hold'em (5 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

Preflop: Hero is UTG with J/images/graemlins/diamond.gif, A/images/graemlins/heart.gif.
<font color="CC3333">Hero raises</font>, MP folds, Button calls, SB calls, BB calls.

Flop: (8 SB) A/images/graemlins/spade.gif, 5/images/graemlins/diamond.gif, 6/images/graemlins/diamond.gif <font color="blue">(4 players)</font>
<font color="CC3333">SB bets</font>, BB folds, <font color="CC3333">Hero raises</font>, Button folds, <font color="CC3333">SB 3-bets</font>, Hero calls.

Turn: (7 BB) 7/images/graemlins/diamond.gif <font color="blue">(2 players)</font>
<font color="CC3333">SB bets</font>, Hero calls.

River: (9 BB) 8/images/graemlins/spade.gif <font color="blue">(2 players)</font>
SB checks, Hero checks.

Final Pot: 9 BB

[fyodor]

Unless you know him to be tricky [it wasn't Taz was it? /images/graemlins/smile.gif ] I would bet the river. It looks like he is afraid of the straight so he doesn't have the flush. He might have 2 pair but he might have a weaker Ace. He also might be fool enough to fold a better hand than yours.