Skillet Pizza Dip

Skillet Pizza Dip 1 teaspoon butter9 ounces frozen chopped spinach (thawed)1 cup creamy Alfredo sauce1 cup freshly shredded mozzarella cheese (divided)1 cup diced chicken breast (divided)1/2 cup chopped sun-dried tomatoes ((packed in oil and drained) divided)3 sticks mozzarella string cheese1 tube Pillsbury™ refrigerated classic pizza crust1 egg white1 teaspoon extra virgin olive oil2 tablespoons Parmesan…