50NL Preflop line checkup with KK

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($17.35)
MP2 ($85.60)
CO ($50.85)
Button ($50)
SB ($34)
Hero ($58.80)
UTG ($42.55)
UTG+1 ($14.80)

Preflop: Hero is BB with Khttp://www.flopturnriver.com/phpBB2/...es/diamond.gif, Khttp://www.flopturnriver.com/phpBB2/...iles/spade.gif.
2 folds, MP1 calls $0.50, 1 fold, CO raises to $2, 2 folds, Hero raises to $5.5, MP1 folds, CO raises to $50.85, Hero ???

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Villian is a 17/4 over 70 hands.

Standard fold here, right?

don't make pussy reraises

Its maybe a fold, but its by no means standard. I usually call here.

So a re-raise to 7-8$ would be more ideal?

7 is good

you just don't want to give him

a) implied odds to suck out with TT

b) a reason to get fresh with you and rereraise with less than KK, putting you to a decision.