AK late in sattelite - help me to play it correctly

[Black winter day]

Game #6144540924: OCT MPP LB 1-250 (ID5801082) $0+$0 - Hold'em NL (800/1600) - 2007/11/03 - 17:20:32 (UK)
Table "5801082 - 1" Seat 8 is the button.
Seat 1: noseyboy (46266 in chips)
Seat 3: KWR460 (56966 in chips)
Seat 6: bwd27 (23295 in chips)
Seat 8: Katiska (47473 in chips)
noseyboy: posts the ante 200
KWR460: posts the ante 200
bwd27: posts the ante 200
Katiska: posts the ante 200
noseyboy: posts small blind 800
KWR460: posts big blind 1600
----- HOLE CARDS -----
dealt to bwd27 [Ah Kc]

Raise or all in?


I actually raised to 4600, SB (noseyboy) called.
--- FLOP ----- [4s Qd Qh]
noseyboy: bets 3200

What the hell do i do?

Few notes: First 2 get CPC package worth 4k, 2 others already guaranteed 500$.

No special reads on noseyboy, never played with him before, he didn't seem wild at the tables, nursed his pretty sizable stack all the way to the final 5-6, but seems to loosen up a bit lately.