Easiest No Bake Pumpkin Pie

Yield:	8 Servings
Categories:	Holidays, No-cook, Pies

1		8" or 9" graham cracker crust; unbaked
1	c	Heavy cream
1	sm	Pkg vanilla instant pudding and pie filling; (3- 1/2 oz)
1/2	c	Milk
1	c	Pumpkin pie filling mix
		Cinnamon; for garnish