Salted Caramel Monkey Bread

Name: Salted Caramel Monkey Bread
Ingredients: Nonstick cooking spray, for greasing; 4 ounces granulated sugar; 1 teaspoon ground cinnamon; 2 pounds refrigerated biscuits, such as Grands Flaky Layers, each piece cut into quarters; 4 ounces chopped dates; 4 ounces dark raisins; 4 ounces black walnuts, roughly chopped; 8 ounces brown sugar; 6 ounces unsalted butter; 2 tablespoons heavy cream; 1/2 teaspoon kosher salt; Salted caramel, homemade or store-bought, for serving; Whipped cream, homemade or store-bought, for serving