Anyone else think he is on a draw?

Texas Hold'em $100NL

Seat 2: CO ($99.90 in chips)
Seat 3: SB ($122.20 in chips)
Seat 4: Hero [ 8[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ] ($247.90 in chips)
Seat 5: UTG ($107.70 in chips)

PRE-FLOP
UTG calls $1, CO bets $2, SB folds, Hero calls $1, UTG calls $1.

FLOP [ 4[img]/images/graemlins/spade.gif[/img],4[img]/images/graemlins/diamond.gif[/img],5[img]/images/graemlins/diamond.gif[/img] ] $6
Hero bets $6, UTG calls $6, CO folds.

TURN [ Q[img]/images/graemlins/spade.gif[/img] ] $18
Hero bets $12, UTG calls $12.

RIVER [ 9[img]/images/graemlins/spade.gif[/img] ] $42
Hero bets $25