NL 400: AA vs raise en Flop

Villano: 16/15/CC: 3/3bet: 7/WTSD 24/W$SD 75/WWSF 49/510 manos

Fold CBet: 50% (4)/Raise CBet: 50% (4)/AF: 2.8 (54%/35%/14%)

NL Holdem $4(BB) Replayer

SB ($646)

BB ($225)

Hero ($400)

UTG+1 ($191)

UTG+2 ($740)

MP1 ($452)

CO ($400)

BTN ($458)

Dealt to Hero A:spade: ADIAMONd

Hero raises to $12, fold, fold, MP1 calls $12, fold, fold, fold, fold

FLOP ($30) 5:spade: 8:club: 4DIAMONd

Hero bets $20, MP1 raises to $56, Hero?