I couldn`t grasp all the outs I had on the flop and that I had an oesd. Villain probably had an overpair? Even against a set I was doing good?

Full Tilt Pot-Limit Omaha, $0.02 BB (5 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

Hero (SB) ($4.26)
BB ($2.85)
UTG ($3.26)
MP ($4.97)
Button ($1.83)

Preflop: Hero is SB with 9, 5, 6, 9
UTG calls $0.02, MP bets $0.09, 1 fold, Hero calls $0.08, 1 fold, UTG calls $0.07

Flop: ($0.29) 7, 5, 4 (3 players)
Hero checks, UTG checks, MP bets $0.29, Hero folds, 1 fold

Total pot: $0.29 | Rake: $0.01