NL100 QQ river...value or fooolish?

[sluggger5x]

Villian is extremely tight/passive. 20/0/.5 after 100 hands. I'm back after a few months away, and I find that I feel pretty rusty on river decisions/value bets. Is this an easy check here? I'm pretty lost.

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

Stack sizes:
UTG: $164
UTG+1: $117.40
CO: $98.15
sluggger5x: $145.20
SB: $31.40
BB: $237.50

Pre-flop: (6 players) sluggger5x is Button with Q[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/spade.gif[/img]
UTG calls, 2 folds, <font color="#cc0000">sluggger5x raises to $5</font>, 2 folds, UTG calls.

Flop: 9[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img] ($11.5, 2 players)
UTG checks, <font color="#cc0000">sluggger5x bets $8.5</font>, UTG calls.

Turn: 6[img]/images/graemlins/club.gif[/img] ($28.5, 2 players)
UTG checks, <font color="#cc0000">sluggger5x bets $23</font>, UTG calls.

River: 4[img]/images/graemlins/club.gif[/img] ($74.5, 2 players)
UTG checks, <font color="#cc0000">sluggger5x bets $45...