Cook chicken breast and taco seasoning in pan. Do NOT add water.
Set chicken aside, on paper towel.
Spread Greek yogurt evenly across the Ultra Thin Pizza Crust.
Sprinkle mozzarella cheese over the yogurt.
Distribute chicken as well as pepper and onion until desired amounts are achieved.
Sprinkle remaining cheese.
Grill or bake pizza according to instructions.
Garnish with fresh tomato and season with salt.