COMBINE crushed graham crackers and butter in small bowl. Spoon about 2 measuring tablespoons into each of ten half-pint canning jars, custard cups and/or ramekins. Pat crust down with back or side of measuring spoon.
COMBINE pumpkin, evaporated milk, pudding mix and pumpkin pie spice in large mixer bowl; beat for 1 minute or until blended. Fold in 2 cups of whipped topping.
WARM dulce de leche in microwave-safe bowl on HIGH (100%) power for 15 to 20 seconds to soften; stir well. Spoon dulce de leche on top of each crust. Spoon in about 1/2 cup pumpkin filling. Top with a dollop of remaining whipped topping and a dusting of pumpkin pie spice. Keep refrigerated at least 2 hours before serving.