PokerStars No-Limit Hold'em, $0.10 BB (6 handed) FTR converter on zerodivide.cx

Button ($9.70)
SB ($3.80)
BB ($0.15)
Hero ($33.40)
MP ($10)
CO ($5.45)

Preflop: Hero is UTG with 8, 8. MP posts a blind of $0.10.
Hero calls $0.10, MP (poster) checks, 2 folds, SB raises to $0.4, BB calls $0.05 (All-In), Hero calls $0.30, MP calls $0.30.

Flop: ($1.35) 6, 6, J (4 players, 1 all-in)
SB bets $0.4, Hero calls $0.40, MP calls $0.40.

Turn: ($2.55) 5 (4 players, 1 all-in)
SB bets $1.5, Hero folds, MP calls $1.50.

River: ($5.55) 3 (3 players, 1 all-in)
SB bets $1.5 (All-In), MP calls $1.50.

Final Pot: $8.55

Results in white below:
SB has Ah Kd (one pair, sixes).
BB has Qh 3c (two pair, sixes and threes).
MP has 9d 9c (two pair, nines and sixes).
Outcome: MP wins $8.55.

I knew exactly what the aggressor held, two overs that missed...but I didn't know what to put the other guy on...did I make the right decision in laying this down?