A Good Hand From Last Night

Not every hand I played was bad, but I think I left some chips on the table here. What do you think?
FullTiltPoker Game #2205168865: Table Stanford (6 max) - $0.10/$0.25 - No Limit Hold'em - 23:59:18 ET - 2007/04/13
Seat 1 HERO ($39.10)
Seat 2: qbp305 ($43.30)
Seat 3: please no more ($24.40)
Seat 4: kiahbree ($34.40)
Seat 5: xDOCTORx ($21.60)
Seat 6: thebooboos ($45.55)
kiahbree posts the small blind of $0.10
xDOCTORx posts the big blind of $0.25
The button is in seat #3
*** HOLE CARDS ***
Dealt to HERO [9d 9s]
thebooboos calls $0.25
HERO raises to $1.10
qbp305 folds
please no more folds
kiahbree folds
xDOCTORx folds
thebooboos calls $0.85
*** FLOP *** [9h Qc 8s]
thebooboos checks
HERO bets $2
thebooboos raises to $4
HERO raises to $14.55
thebooboos calls $10.55
*** TURN *** [9h Qc 8s] [6s]
thebooboos checks
HERO checks Do you bet a little something here?
*** RIVER *** [9h Qc 8s 6s] [6c]
thebooboos bets $5.50
HERO raises to $11 Is a push better here? I just felt afterwards that he would've called. Thoughts?
thebooboos calls $5.50
*** SHOW DOWN ***
HERO shows [9d 9s] (a full house, Nines full of Sixes)
thebooboos mucks
HERO wins the pot ($51) with a full house, Nines full of Sixes
*** SUMMARY ***
Total pot $53.65 Rake $2.65
Board: [9h Qc 8s 6s 6c]
Seat 1: HERO showed [9d 9s] and won ($51) with a full house, Nines full of Sixes
Seat 2: qbp305 didn't bet (folded)
Seat 3: please no more (button) didn't bet (folded)
Seat 4: kiahbree (small blind) folded before the Flop
Seat 5: xDOCTORx (big blind) folded before the Flop
Seat 6: thebooboos mucked [Ts Qd] - two pair, Queens and Sixes