Party Poker 2/4 Hold'em (9 handed) converter

Preflop: Hero is SB with , .
UTG raises, 1 fold, MP1 calls, MP2 calls, 2 folds, Button calls, Hero 3-bets, 1 fold, UTG caps, MP1 calls, MP2 calls, Button calls, Hero calls.

Flop: (21 SB) , , (5 players)
Hero bets, UTG raises, MP1 calls, MP2 calls, Button calls, Hero 3-bets, UTG calls, MP1 calls, MP2 caps, Button calls, Hero calls, UTG calls, MP1 calls.

Turn: (20.50 BB) (5 players)
Hero bets, UTG calls, MP1 calls, MP2 calls $8 (All-In), Button calls, Hero calls, UTG calls, MP1 calls.

River: (30.50 BB) (5 players, 1 all-in)
Hero checks, UTG checks, MP1 checks, Button checks.

Final Pot: 30.50 BB

Results below:
UTG has (two pair, kings and queens).
MP1 has (two pair, kings and tens).
MP2 has (two pair, kings and fives).
Button has (one pair, kings).
Hero has (two pair, aces and kings).
Outcome: Hero wins 30.50 BB.

Besides the retarded move for not betting the river, for utter fear of a king rather than playing correctly, aces hold up yet again.