nl10 sh Q4s sb vs bb

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.05/$0.1 No-Limit Hold'em (6 handed)

Known players:
[tg]BU$10.65:///////;SB (Hero)$26.54:///////;BB$7.51:///////;MP2$13.73:///////;MP3$18.34:///////;CO$4.85:///////;[/tg]

Preflop: Hero is SB with 4:d, Q:d.
4 folds, Hero raises to $0.20, BB calls $0.10.

Flop: ($0.4) 7:d, Q:h, 5:d (2 players)
Hero bets $0.20, BB raises to $0.40, Hero raises to $1.00, BB calls $0.60.

Turn: ($2.4) 7:c (2 players)
Hero bets $1.20, BB raises to $6.31, Hero calls $5.11.

River: ($15.02) 6:c (2 players)

Final Pot: $15.02.

Results follow:

Hero shows two pairs, queens and sevens(4d Qd).
BB shows a pair of sevens(Jh Kd).

Hero wins with two pairs, queens and sevens(4d Qd).

Final Pot: $15.02.

not a clue here whats the optimal line vs unknown