Cheesy Muffin Pizzas

Name: Cheesy Muffin Pizzas
Ingredients: One 4-ounce chicken breast cut into 1/4-inch cubes; 1 cup (4 ounces) coarsely grated whole-milk mozzarella; 2/3 cup chopped baby spinach; 1/2 cup (4 ounces) mascarpone; 1/3 cup finely grated Parmesan (about 1 ounce); 1/3 cup purchased tomato-basil sauce; 2 tablespoons chopped fresh basil; 2 teaspoons fresh lemon juice (about 1/2 a small lemon); 1/4 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; Nonstick vegetable oil spray; All-purpose flour, for dusting; 1 pound ball fresh pizza dough