Turn bet that could be bluff ($50NL 6max), do I call this [censored]?

[OzzyTilt]

Full Tilt Poker Game #1114465177: Table Alcazar (6 max) - $0.25/$0.50 - No Limit Hold'em - 23:07:20 ET - 2006/10/17
Seat 1: buzzsaw300 ($64.60)
Seat 2: Really A Chick ($50)
Seat 3: dagreek1 ($73.05)
Seat 4: F the IRS ($50)
Seat 5: BlackChris5 ($30)
Seat 6: Dev H ($50)
dagreek1 posts the small blind of $0.25
F the IRS posts the big blind of $0.50
The button is in seat #2
*** HOLE CARDS ***
Dealt to F the IRS [7h 8h]
Dev H raises to $1
buzzsaw300 calls $1
Really A Chick raises to $3
dagreek1 folds
F the IRS calls $2.50
Dev H calls $2
buzzsaw300 calls $2
*** FLOP *** [7c 3d 2s]
F the IRS checks
Dev H checks
buzzsaw300 checks
Really A Chick checks
*** TURN *** [7c 3d 2s] [Qh]
F the IRS checks
Dev H checks
buzzsaw300 checks
Really A Chick checks
*** RIVER *** [7c 3d 2s Qh] [2h]
F the IRS checks
Dev H bets $11
buzzsaw300 has 15 seconds left to act
buzzsaw300 folds
Really A Chick folds