Roll out the dough and place in a pie plate. Crimp edges as desired.
In a large bowl, blend the cream cheese until fluffy.
Combine the sweetener and spices together in a small bowl and mix well. Gradually add the sweetener and spice mixture to the cream cheese and beat until fluffy. Add the eggs one at a time, beating well after each. Add the pumpkin and vanilla extract and blend until fully combined.
Pour the batter into the prepared shell and bake in a preheated 350 degree (F) oven for 40 minutes.
Chill before serving. Garnish with whipped cream if desired.