At 15/30 I will check and see what he does. He might think your setting a trap and check and check as well tho if he has any brains he will bet something just to see where he is.
This early I don't like committing my chips in a race which is probably your most optimistic set up. You don't say what site your on, but I did see an escapeplan9 on poker room the other day is that you?