Is it right to 4bet here? 3better - very aggresive (like maniac), managed to call my push with AA on 544 flop with 78o 
(and murphy is alive, cos turn was 6, river: 6)
Hand converted with online PokerStrategy hand converter:
Known players:
[tg]CO$4.26:///////;BU$1.88:///////;SB$6.09:///////;BB$6.87:///////;MP3$5.93:///////;[/tg]
$0.02/$0.04 No-Limit Hold'em (5 handed)
Preflop: Hero is MP3 with K:s, A:c.
Hero raises to $0.16, CO calls $0.16, BU folds, SB raises to $1.12, BB folds, Hero raises to $4.16, 2 folds, Hero gets uncalled bet back.
Final Pot: $1.48.
