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

UTG ($36.80)
UTG+1 ($18.45)
MP1 ($14.40)
MP2 ($43.75)
CO ($54.80)
Hero ($55.65)
SB ($11.45)
BB ($72.85)

Preflop: Hero is Button with 4, 4.
UTG raises to $2, 4 folds, Hero calls $2, 2 folds.

Flop: ($4.75) 4, 8, K (2 players)
UTG bets $3.5, Hero ???

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Villian is a 32/12 over 22 hands. He picked up chips by calling a PF raise with AQo, hitting TPTK, and getting it all-in with a shortstack.

Re-raise here, or call and play the turn fast? What about if the flop was rainbow?