NL25: flopped straight in multiwaypot, huge action

[von7thal]

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: ITH Forums)

SB ($26.70)
BB ($26.10)
UTG ($29.40)
MP ($38)
CO ($40.40)
Hero ($25.90)

Preflop: Hero is Button with :ts, :6s.
UTG raises to $0.75, 1 fold, CO calls $0.75, Hero calls $0.75, SB calls $0.65, BB calls $0.50.

Flop: ($3.75) :7d, :8d, :9h (5 players)
SB checks, BB bets $3.6, UTG folds, CO calls $3.60, Hero raises to $17, SB calls $17, BB raises to $25.35, CO folds, Hero calls $8.15 (All-In), SB calls $8.35.

Turn: ($82.80) :ac (3 players, 1 all-in)

River: ($82.80) :8s (3 players, 1 all-in)

preflop callte ich mit der absicht wenn flop gut und viel action, einen nice pot zu gewinnen.
traumflop. die raisegrösse kam aus dem bauch raus.

preflop marginal und iO?
postflop auch?