Mini Pumpkin Cheesecakes

Name: Mini Pumpkin Cheesecakes
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: American
Ingredients: 1 cup graham cracker crumbs, from 9 - 10 full size graham crackers; 1/4 cup unsalted butter, melted; 2 tablespoons granulated sugar; 12 ounces cream cheese, at room temperature; 1/2 cup granulated sugar; 1 large egg + 1 egg yolk, at room temperature; 1 teaspoon vanilla extract; 1 cup pumpkin puree; 1/2 teaspoon ground cinnamon; 1/2 teaspoon ground ginger; 1/8 teaspoon ground nutmeg; 1/8 teaspoon kosher salt; 4 ounces sour cream, at room temperature; Freshly whipped cream and ground cinnamon, for serving