Button is unknown player, UTG is recreational, what should do here preflop?
PokerStars, Hold'em No Limit - $0.05/$0.10 - 6 players
UTG: $6.48 (65 bb)
MP (Hero): $10.00 (100 bb)
CO: $12.61 (126 bb)
BU: $12.59 (126 bb)
SB: $9.90 (99 bb)
BB: $10.20 (102 bb)
Pre-Flop: ($0.15) Hero is MP with K♦ A♣
UTG raises to $0.30, Hero 3-bets to $0.90, 1 fold, BTN 4-bets to $1.80, 2 players fold, UTG calls $1.50, Hero ???
