QQ PP 50NL

[pokerOpus]

Villian in this hand is 28vpip 14 pf and a fairly solid player. I had no idea what to do on the river as probably set myself up for a nice bluff. What is my play on the river?
Party Poker No-Limit Hold'em, $ Hero (6 max, 6 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

MP ($24.54)
CO ($18.4)
Button ($49.9)
SB ($41.11)
Hero ($48.8)
UTG ($82.85)

Preflop: Hero is BB with Q/images/graemlins/diamond.gif, Q/images/graemlins/heart.gif. SB posts a blind of $0.25.
<font color="#666666">1 fold</font>, MP calls $0.50, CO calls $0.50, Button calls $0.50, SB (poster) completes, <font color="#CC3333">Hero raises to $2.5</font>, MP calls $2.50, CO folds, Button calls $2.50, SB folds.

Flop: ($10) 3/images/graemlins/spade.gif, 8/images/graemlins/club.gif, 5/images/graemlins/spade.gif <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $6</font>, MP folds, Button calls $6.

Turn: ($22) A/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $10</font>, Button calls $10.

River: ($42) 5/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $5</font>, <font color="#CC3333">Button raises to $25</font>, Hero folds.

Final Pot: $72

[amoeba]

bet a bit more on the flop like 8.

[Los Feliz Slim]

I would bet more pre-flop and on the flop. A half-pot bet on the turn is probably fine, but would be more with more betting earlier. I'm not sure what the $5 bet into a $42 pot is supposed to do, though, I think it screams weakness. If you've been playing aggressively on the earlier streets and he's not budging, I think a check/fold on the river is warranted, unless you have a real read that he's making a play.