b/f river

[beanwater]

villain is 23/18/2.15 seems very solid
ive never b/f a river before, is this time ok? i assumed here that villain would only raise nuts or the second nuts.
PokerStars 3/6 Hold'em (4 handed) Hand History converter Courtesy of PokerZion.com

Preflop: Hero is SB with T[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">UTG caps</font>, Hero calls.

Flop: (9 SB) 8[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, Hero calls.

Turn: (5.50 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, Hero calls.

River: (7.50 BB) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Hero folds.

Final Pot: 10.50 BB