Caramel-chocolate pecan pie

1. Sprinkle pecans evenly in unbaked pastry shell; sprinkle with chocolate pieces and drizzle with caramel topping.
2. Set aside.
3. In a medium mixing bowl combine cream cheese, sour cream, sugar and vanilla; beat with an electric mixer on medium speed until smooth.
4. Add eggs, beating on low speed just until combined.
5. Pour over caramel topping in crust.
6. Bakei in a 350