gah, hes still betting

[Alobar]

my only read is hes decently tight, but its over a very small sample

PokerStars $0.50/$1.00 No-Limit Hold'em - 6 players
Hand Converter Tool from DeucesCracked.com

CO: $45.85
Button: $101.10
SB: $164.85
BB: $180.45
UTG: $101.40
MP: $100.00

Preflop: Hero is SB with K[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/club.gif[/img]
UTG calls $1, MP folds, CO calls $1, Button calls $1, Hero calls $0.50, BB checks.

Flop: ($5.00) 2[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
Hero checks, BB checks, <font color="#FF0000">UTG bets $3</font>, CO folds, Button folds, Hero calls $3, BB folds.

Turn: ($11.00) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#FF0000">UTG bets $8</font>, Hero calls $8.

River: ($27.00) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#FF0000">UTG bets $23</font>

I feel really bad about the way I played this hand. I think I should have just c/r the flop. Or just gone ahead and led out. I was going to lead the turn, but when it came the flush I pussed out. Then he still bets the river. wtf else does he have? Hes tight so I dont think hes got a 2x hand, and who puts in a value bet with a 9? ugh, I feel like such a fish. What should I have done differently, and is this a river call?