Yep, sounds about right. I dry hop my Zombie dust clone with three, so 2 if your leaving it in the keg should be plenty. If it still seem lacking after a few days, you can always throw some more in.
Screw it, Lets brew it
Primary 1- BM's Cream of three crops.
Primary 2- Paleface Scalper
Primary 3- Monks Reward (Kreuzberg)
Kegged - Honey Badger, Heady topper clone 1, Indian Paleface Scalper
Bottled- Skeptical Dog winter Lager, Hell's Belgian, Old Dutch Hiefer Hefe,Aphlewein, Chocolate Thunder porter, Jacked up lantern