With an UTG bet and call ahead, what's my move? Pattrios is a shark. Nevsa hasn't done anything special worth nothing.

Game # 230313745 - Texas Hold'em No Limit EUR 0,25/0,50 - Table "Arvidsjaur"
Game ended 2006-01-27 04:31:03 GMT+01:00

Players:
LaWare (EUR 19,25 in seat 1)
nevsa (EUR 42,25 in seat 2)
daluchy (EUR 60,70 in seat 3)
Gemachen (EUR 108,98 in seat 4)
oishii (EUR 33,60 in seat 5)
pattirios (EUR 65,63 in seat 6)

Dealer: Gemachen
Small Blind: oishii (0,25)
Big Blind: pattirios (0,50)

daluchy was dealt: Ks - Ah

LaWare Fold
nevsa Call (0,50)
daluchy Raise (2,50)
Gemachen Fold
oishii Call (2,25)
pattirios Call (2,00)
nevsa Call (2,00)

Flop 4c - Kd - 6h

oishii Check
pattirios Bet (3,25)
nevsa Call (3,25)
daluchy Raise (11,00)