Couple of QQ hands

Just signed up to stars today. These are a couple from my short session.

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($92.40)
UTG ($29.05)
UTG+1 ($67.40)
MP1 ($33.60)
MP2 ($22.95)
CO ($51.90)
Button ($50)
SB ($52.90)

Preflop: Hero is BB with Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, Qhttp://www.flopturnriver.com/phpBB2/...iles/spade.gif.
3 folds, MP2 calls $0.50, CO raises to $1, 2 folds, Hero raises to $3.75, MP2 folds, CO calls $2.75.

Flop: ($8.25) 3http://www.flopturnriver.com/phpBB2/...es/diamond.gif, 9http://www.flopturnriver.com/phpBB2/...es/diamond.gif, 2http://www.flopturnriver.com/phpBB2/...es/diamond.gif (2 players)
Hero bets $6.5, CO calls $6.50.

Turn: ($21.25) 8http://www.flopturnriver.com/phpBB2/...miles/club.gif (2 players)
Hero bets $15, CO calls $15.

River: ($51.25) Jhttp://www.flopturnriver.com/phpBB2/...iles/spade.gif (2 players)
Hero??

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($53)
Hero ($50.90)
SB ($29.95)
BB ($53.25)
UTG ($87.65)

Preflop: Hero is Button with Qhttp://www.flopturnriver.com/phpBB2/...miles/club.gif, Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif.
UTG raises to $1, MP calls $1, Hero raises to $3.5, 2 folds, UTG calls $2.50, MP calls $2.50.

Flop: ($11.25) 3http://www.flopturnriver.com/phpBB2/...iles/heart.gif, 7http://www.flopturnriver.com/phpBB2/...iles/spade.gif, Jhttp://www.flopturnriver.com/phpBB2/...es/diamond.gif (3 players)
UTG checks, MP checks, Hero bets $7.5, UTG calls $7.50, MP calls $7.50.

Turn: ($33.75) 9http://www.flopturnriver.com/phpBB2/...iles/heart.gif (3 players)
UTG checks, MP checks, Hero??