I was almost positive I was beat (AT) and at best tied (A9). Otherwise, I would have fired another barrel on the river.

PokerStars Game #4946513955: Hold'em No Limit ($0.25/$0.50) - 2006/05/15 - 19:39:10 (ET)
Table 'Palamedes' 6-max Seat #2 is the button
Seat 1: sayserv ($29.70 in chips)
Seat 2: Dogger142 ($50.75 in chips)
Seat 3: arndt44 ($49.50 in chips)
Seat 4: BBroyal ($40 in chips)
Seat 5: Albanger ($54.70 in chips)
Seat 6: johnnyBuz ($52.30 in chips)
arndt44: posts small blind $0.25
BBroyal: posts big blind $0.50
*** HOLE CARDS ***
Dealt to johnnyBuz [9c Ah]
Albanger: folds
johnnyBuz: calls $0.50
sayserv: calls $0.50
Dogger142: folds
arndt44: raises $1.50 to $2
BBroyal: folds
johnnyBuz: calls $1.50
sayserv: calls $1.50
*** FLOP *** [4d 9h Ts]
arndt44: checks
johnnyBuz: bets $4.25
sayserv: calls $4.25
arndt44: folds
*** TURN *** [4d 9h Ts] [Qh]
johnnyBuz: checks
sayserv: bets $3.50
johnnyBuz: raises $5.50 to $9
sayserv: calls $5.50
*** RIVER *** [4d 9h Ts Qh] [4s]
johnnyBuz: checks
sayserv: checks
*** SHOW DOWN ***
johnnyBuz: shows [9c Ah] (two pair, Nines and Fours)
sayserv: mucks hand
BBroyal said, "I would have had a full-house...DAMN"
johnnyBuz collected $31.40 from pot
*** SUMMARY ***
Total pot $33 | Rake $1.60
Board [4d 9h Ts Qh 4s]
Seat 1: sayserv mucked [2h 2c]
Seat 2: Dogger142 (button) folded before Flop (didn't bet)
Seat 3: arndt44 (small blind) folded on the Flop
Seat 4: BBroyal (big blind) folded before Flop
Seat 5: Albanger folded before Flop (didn't bet)
Seat 6: johnnyBuz showed [9c Ah] and won ($31.40) with two pair, Nines and Fours