888 Poker - $0.50 NL - Holdem - 8 players
Hand converted by PokerTracker 4
BTN: 123.68 BB (VPIP: 17.80, PFR: 11.64, 3Bet Preflop: 3.55, Hands: 5,002)
SB: 142.54 BB (VPIP: 15.07, PFR: 11.66, 3Bet Preflop: 4.41, Hands: 6,147)
BB: 55.98 BB (VPIP: 37.50, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 8)
UTG: 103.8 BB (VPIP: 16.47, PFR: 11.92, 3Bet Preflop: 3.65, Hands: 4,375)
UTG+1: 375.74 BB (VPIP: 25.46, PFR: 15.08, 3Bet Preflop: 5.09, Hands: 3,889)
Hero (MP): 133.06 BB
MP+1: 60 BB (VPIP: 53.01, PFR: 8.54, 3Bet Preflop: 5.41, Hands: 83)
CO: 135.96 BB (VPIP: 16.02, PFR: 13.29, 3Bet Preflop: 4.18, Hands: 997)
SB posts SB 0.5 BB, BB posts BB 1 BB, MP+1 posts penalty blind 1 BB
Pre Flop: (pot: 2.5 BB) Hero has A♦ A♣
fold, fold, Hero raises to 4.5 BB, fold, CO calls 4.5 BB, fold, SB calls 4 BB, fold
Flop: (15.5 BB, 3 players) T♣ 6♠ 3♠
SB checks, Hero bets 11 BB, CO calls 11 BB, SB raises to 138.04 BB, HERO ?
Opponent is a good regular. Flop check raise 6% (8/137).
I decided to fold here, because he rarely is check raising and there was also another player who called.
My question is what's the best move here?
Also what would change if I had the A of 
? TY!
