I'm fairly sure I'm ahead in this spot: I'm only plausibly beaten by AA, which is only 1 combo. So the question is, do I get a better return if I check the flop to give Villain the opportunity to bet worse hands?
Poker Stars $10.00 No Limit Hold'em - 9 players
BB: $10.00 - VPIP: 8, PFR: 8, 3B: 8, AF: 0.0, Hands: 50
UTG: $23.11 - VPIP: 36, PFR: 28, 3B: 0, AF: 9.0, Hands: 74
UTG+1: $10.00 - VPIP: 3, PFR: 3, 3B: 0, AF: 0.0, Hands: 64
UTG+2: $6.71 - VPIP: 22, PFR: 0, 3B: 0, AF: 1.9, Hands: 76
MP1: $6.37 - VPIP: 39, PFR: 7, 3B: 0, AF: 3.6, Hands: 61
MP2: $10.99 - VPIP: 14, PFR: 11, 3B: 5, AF: 4.5, Hands: 84
CO: $11.48 - VPIP: 21, PFR: 14, 3B: 3, AF: 0.5, Hands: 100
BTN: $10.43 - VPIP: 17, PFR: 17, 3B: 22, AF: 0.0, Hands: 18
Hero (SB): $10.22 - VPIP: 22, PFR: 16, 3B: 10, AF: 4.4, Hands: 500
Pre Flop: ($0.15) Hero is SB with K♥ A♥
4 folds, MP2 raises to $0.30, 2 folds, Hero raises to $0.90, 1 fold, MP2 raises to $2.70, Hero calls $1.80
Flop: ($5.50) 3♠ A♦ 7♠ (2 players)
Hero bets $7.52, MP2 folds
Final Pot: $5.50
Hero wins $5.25
(Rake: $0.25)