No reads on villains.

No Limit Holdem Ring game
Blinds: $0.15/$0.25
10 players
Converter

Pre-flop: (10 players) Hero is CO with K A
5 folds, MP3 calls $0.25, Hero raises to $1.25, Button folds, SB raises to $3.65, BB raises all-in $4.75, MP3 folds, Hero ??