Ranch Chicken Pizza

2 garlic cloves, chopped
2 tablespoons olive oil
1 (12-inch) pre-baked( at least 3/4 prebaked) sourdough pizza crust or regular crust
2 to 3  tablespoons ranch-style salad dressing( not buttermilk)
1 1/2 C shredded Monterey Jack cheese or Mozzeralla
1 C shredded Cheddar cheese
1 small onion, sliced
3 strips bacon, cooked and diced
4 ounces chicken breast, cooked and diced
1 large tomato, diced

Preheat the oven to 475°F.

Place the pizza crust on a pizza pan or large baking sheet . Mix the garlic and oil together and spread over the crust. Spread the salad dressing on the crust; then sprinkle with three-fourths of the shredded cheeses. Layer the onions, bacon, chicken, and tomatoes on top; finish with the remaining cheese. Bake for 8 to 10 minutes.