The reason why I played so passively was because my read on SB is he is very tight.

PokerStars No-Limit Hold'em, $2 BB (6 handed) FTR converter on zerodivide.cx

Button ($84.95)
SB ($95.90)
IOS ($246.75)
UTG ($200.95)
MP ($87.45)
CO ($48)

Preflop: IOS is BB with J, J.
UTG calls $2, 1 fold, CO calls $2, 1 fold, SB raises to $6, IOS calls $4, UTG folds, CO calls $4.

Flop: ($20) 5, 4, 9 (3 players)
SB bets $10, IOS calls $10, CO calls $10.

Turn: ($50) 3 (3 players)
SB checks, IOS checks, CO bets $32 (All-In), SB calls $32, IOS calls $32.

River: ($146) 7 (3 players, 1 all-in)
SB checks, IOS checks.

Final Pot: $146

Results in white below:
SB has As 9s (one pair, nines).
IOS has Jh Jd (one pair, jacks).
CO has 4s 7s (two pair, sevens and fours).
Outcome: CO wins $146.