NL50 buttom set against big maniac

[dbthdo]

Hes is playin 60% of the hands raising it 20%.
Poker Stars - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $34.85
BB: $21.40
UTG: $252.75
MP: $42.05
Hero (CO): $93.50
BTN: $52.75

Preflop: Hero is dealt 4[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (6 Players)
<font color="red">UTG raises to $3.50</font>, MP folds, Hero calls $3.50, BTN folds, SB calls $3.25, BB folds

Flop: ($11) 4[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img] (3 Players)
SB checks, <font color="red">UTG bets $10.00</font>, <font color="red">Hero raises to $30.00</font>, SB folds, <font color="red">UTG raises to $50.00</font>

Pot Size: $91.00

easy shove?