BB AKs to squeeze or? how big? 25nl FR

table is breaking.
UTG open is 22-8 over 40 hands or so, nothing special and we haven't seen a flop where he's PFR. He has folded to 2/2 3bets (1 from me)
caller is 48-9 dead money who 3bets kinda wide (seen TT vs an ep)
I'm looking pretty nit-respectable this session, 16-13 not at all out of line

PokerStars No-Limit Hold'em, $0.25 BB (7 handed) - PokerStars Converter Tool from FlopTurnRiver.com

CO ($12.25)
Button ($31.47)
SB ($21.45)
Hero (BB) ($30.24)
UTG ($29.55)
MP1 ($20.12)
MP2 ($16.83)

Preflop: Hero is BB with K:spade:, A:spade:
UTG bets $0.85, 1 fold, MP2 calls $0.85, 3 folds, Hero ??

Unless caller folds a lot to 3 bets I'd squeeze to like $3.20.