Preheat oven to 475℉. Sprinkle flour on rimless baking sheet and set aside.
On a lightly floured surface, roll out pizza dough to a 12-inch circle and transfer to prepared baking sheet. Top with pizza sauce, mozzarella, salt, pepper and basil. Bake for 20 to 25 minutes or until cheese is bubbly and crust is golden brown.
In a large bowl combine pasta with chickpeas, olives, onion and radishes and stir well. Add pesto and vinegar and stir to coat well. Season to taste with salt and pepper and serve at room temperature or chilled.