From an IBU point of view, yeah you would be at the bottom end of an American IPA range, which is above your basic wheat beer. Try that calculator it gives ranges for typical styles and you just plug in your ingredients.
Here is a calculator for priming sugar:
That is recommendation 5 - 7 oz of corn sugar, but I would tweak that based on your tastes.
As for the blow off---use a tube and hope for the best.
Now get to boiling!!