100NL Value bet this river?

[BevillTheDevil]

Villian is 23/15/1.7 after 206 hands. Seems to call a lot of cbets but typically just gives up on the turn. But what is villian's callin range on the river here??

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
5 players
Converter

Stack sizes:
Hero: $132.60
CO: $101.40
Button: $204.20
SB: $56.55
BB: $139.20

Pre-flop: (5 players) Hero is UTG with K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]
<font color="#cc0000">Hero raises to $4</font>, 3 folds, BB calls.

Flop: Q[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/heart.gif[/img] ($8.5, 2 players)
BB checks, <font color="#cc0000">Hero bets $6</font>, BB calls.

Turn: Q[img]/images/graemlins/club.gif[/img] ($20.5, 2 players)
BB checks, <font color="#cc0000">Hero bets $14</font>, BB calls.

River: 9[img]/images/graemlins/diamond.gif[/img] ($48.5, 2 players)
BB checks, Hero ?