Is the passive player playing back at the LAG?

[Moneyline]

Online 8/16 4 handed

SB in this hand is slightly loose and passive to very passive. BB is very loose and his postflop plays don't make sense. By circumstance my image is extrememly LAG and my opponents are aware of it.

I open raise 6 [img]/images/graemlins/diamond.gif[/img] 6 [img]/images/graemlins/club.gif[/img] UTG, button folds SB 3bets, BB calls, I call.

Flop: 9 [img]/images/graemlins/club.gif[/img] 9 [img]/images/graemlins/diamond.gif[/img] 2 [img]/images/graemlins/spade.gif[/img] (3 players, 9SBs)

SB bets, BB folds, I call.

Turn: 7 [img]/images/graemlins/spade.gif[/img] (5.5 BBs)

SB bets, I raise, SB calls.

River: A [img]/images/graemlins/club.gif[/img] (9.5 BBs)

SB checks, I check.