Best way to play middle set

Posted 6 years, 11 months ago

Blinds: $0.05/$0.10 (6 Players) BN: $9.85
SB: $19.54
BB: $10.71
UTG: $58.94
MP: $47.86
CO: $10.00 (Hero)

Preflop ($0.15) Hero is CO with K 5 5 K

UTG folds, MP raises to $0.35, Hero calls $0.35, 3 folds

Flop ($0.85) 5 6 4

MP bets $0.81, Hero calls $0.81

Turn ($2.47) 5 6 4 A

MP checks, Hero bets $1.60, MP calls $1.60

River ($5.67) 5 6 4 A 4

MP checks, Hero bets $4.00

I'm new to PLO, looking for some feedback from experienced players.
Is there any mistakes I made?