Nines behind?

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.01/$0.02 No-Limit Hold'em (9 handed)

Known players:
[tg]BU$2.00:///////;SB$2.04:///////;BB$2.16:///////;UTG1$5.85:///////;UTG2$1.91:///////;MP1$2.00:///////;MP2$0.78:///////;MP3$2.56:///////;CO (Hero)$3.72:///////;[/tg]

Preflop: Hero is CO with 9:d, 9:s.
4 folds, MP3 raises to $0.08, Hero calls $0.08, BU folds, SB calls $0.07, BB folds.

Flop: ($0.26) Q:c, 8:h, 5:h (3 players)
SB checks, MP3 checks, Hero checks.

Turn: ($0.26) 2:h (3 players)
SB checks, MP3 checks, Hero checks.

River: ($0.26) 9:c (3 players)
SB checks, MP3 checks, Hero bets $0.12, SB folds, MP3 calls $0.12.

Final Pot: $0.5.

Results follow:

Hero shows three of a kind, nines(9d 9s).
MP3 shows high card ace(Kc As).

Hero wins with three of a kind, nines(9d 9s).