77, straightening board

[Gorvacofin]

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

Hero (BB): $18.20
UTG: $24.65
MP: $9.90
CO: $6.60
BTN: $25
SB: $37.40

CO posts $0.25
Pre-Flop: 7[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img] dealt to Hero (BB)
UTG calls $0.25, MP checks, CO checks, BTN folds, SB calls $0.15, Hero checks

Flop: ($1) 6[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img] (5 Players)
<font color="red">SB bets $0.50</font>, <font color="red">Hero raises to $1.50</font>, <font color="red">UTG raises to $20</font>

Results: $4.50 Pot ($4.50 Rake)

Villain was new to the table, so no reads. The leader was firing out at pretty much every pot. Villain went all-in very quickly. Is it a bad move to give villain credit for the straight here and lay this down?