Overpush donk 200 bb river vs my set

Posted 5 years, 7 months ago

Blinds: t25/t50 (6 Players) UTG: 10,000
MP: 9,975 (Hero)
CO: 9,800
BN: 9,800
SB: 10,000
BB: 10,100

Preflop (75) Hero is MP with 4 4

UTG raises to 150, Hero calls 150, 3 folds, BB calls 100

Flop (475) 4 6 9

BB checks, UTG checks, Hero bets 162, BB calls 162, UTG calls 162

Turn (961) 4 6 9 2

BB checks, UTG checks, Hero bets 600, BB folds, UTG calls 600

River (2,161) 4 6 9 2 A

UTG bets 9,088 and is all in, Hero calls 9,063 and is all in

Final Pot UTG lost and shows high card Ace.
MP wins and shows three of a kind, Fours.
MP wins 20,287

You can laugh, thoughts about this hand?