New at the table, no reads. I suck at playing draws, anyone do things differently?

PokerRoom No-Limit Hold'em, $1 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

MP3 ($97.00)
CO ($97.10)
Button ($67.10)
SB ($108.80)
Hero ($100.60)
UTG ($249.40)
UTG+1 ($58.20)
MP1 ($161.95)
MP2 ($38.00)

Preflop: Hero is BB with 6, 8.
UTG calls $1, 1 fold, MP1 calls $1, MP2 calls $1, MP3 calls $1, 2 folds, SB completes, Hero checks.

Flop: ($7) 2, 7, A (6 players)
SB checks, Hero bets $3.5, UTG folds, MP1 calls $3.50, MP2 folds, MP3 folds, SB folds.

Turn: ($14) 9 (2 players)
Hero checks, MP1 bets $8, Hero calls $8.

River: ($30) 5 (2 players)
Hero bets $20, MP1 calls $20.

Final Pot: $70