Heat gas or charcoal grill. In 10-inch skillet, cook bacon over medium heat, stirring frequently, until crisp. Drain on paper towel; set aside.
Spread cheese evenly on pizza crusts. Top with tomato and bacon. Drizzle with oil.
Place pizzas on grill over low heat. Cover grill; cook 4 to 8 minutes or until bottoms are deep golden brown and toppings are warm. Sprinkle basil over pizzas. Cut each into 8 wedges.