200NL - toppair with straight draw

[Josh_sieg]

Live Game $200NL $3/5 blinds
effective stacks $185

Relevant players:
Villian MP3
Hero SB w/ 7[s]8[c]

UTG folds, 5 calls (including villian), hero calls, BB checks
Pot - $35

Flop
5[h]6[c]7[h]
Hero bets $15 folds to villian who raises to $30, folds back to Hero.

Hero???

Just call, or Raise?

This game has been relatively tight, and villian is not really much different. I've played with him several times, and although he's tight, he bluffs occasionally. Also, I've seen him slowplay big pairs PF before.

Comments appreciated.