I made it 5 bb to iso CO who is limp folding alot. BB seems somewhat aggro but not crazy. Would it be better to call c/r and see turn or just get it in here?

Full Tilt Poker, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

BB: $50.45
UTG: $59.20
MP: $47.05
CO: $68.85
Hero (BTN): $50
SB: $26

Pre-Flop: A 9 dealt to Hero (BTN)
2 folds, CO calls $0.50, Hero raises to $2.50, SB folds, BB calls $2, CO folds

Flop: ($5.75) Q J K (2 Players)
BB checks, Hero bets $4, BB raises to $11, Hero raises to $47.50 and is All-In, BB calls $36.50