888 Poker - $0.02 NL (6 max) - Holdem - 4 players

SB: 65.5 BB (VPIP: 23.68, PFR: 15.79, 3Bet Preflop: 0.00, Hands: 79)
BB: 50 BB (VPIP: 52.63, PFR: 36.84, 3Bet Preflop: 0.00, Hands: 19)
CO: 124 BB (VPIP: 47.37, PFR: 7.02, 3Bet Preflop: 0.00, Hands: 58)
Hero (BTN): 50 BB

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has Ts Td

fold, Hero raises to 3 BB, fold, BB calls 2 BB

Flop : (6.5 BB, 2 players) 8s 5c 6c

BB checks, Hero bets 6.5 BB, BB calls 6.5 BB

Turn : (19.5 BB, 2 players) Js

BB bets 9.5 BB, fold

BB wins 18.5 BB

Is the fold correct?
Is the bet sizing on flop ok?