Garlic Chicken Dijon Pizza

ball of pizza dough

Dijon mustard

 1/4 cups mozzarella cheese, shredded

cooked chicken, diced about 1/2-inch cubes

to 3 cloves garlic, minced

 cup red onions, chopped

to 12 fresh basil leaves, finely chopped

 large tomato, diced about 1/2-inch cubes

tablespoons Parmesan cheese, grated