Peanut Butter Pie IV Recipe

1 (8 ounce) package cream cheese

1 (14 ounce) can sweetened condensed milk

¾ cup peanut butter

3 tablespoons lemon juice

1 teaspoon vanilla extract

1 cup frozen whipped topping

thawed

1 (9 inch) prepared graham cracker crust

2 tablespoons chocolate syrup