Grilled Tomato, Basil, Pesto Pizza with Chicken Sausage, Mozzarella and Ricotta

ball of pizza dough (approximately 1 pound), divided into 2

pesto

fresh mozzarella, sliced thin

heirloom or tomatoes of choice, sliced thin and patted dry with paper towels

links Al Fresco Sweet Italian Style Chicken Sausage

part skim ricotta cheese

basil leaves, torn or chopped