Heat the grill to around 500-550° F.
When the grill is hot put the 2 links of chicken sausage on and let them heat up for approximately 5-7 minutes, turn them once.
While the sausage grills, slice the tomatoes and mozzarella cheese and put them on a plate along with the chopped basil.
Remove the sausage from the grill and slice it into desired thickness. Add it onto the plate with the tomatoes, mozzarella and basil.
Stretch or roll the 2 balls of pizza dough into thin rounds, they don't have to be perfect
Brush one side of the dough with olive oil. Place the dough olive oil side down onto the hot grill. Brush the top of the dough with more olive oil.
Grill the pizza dough with the lid closed for approximately 1-2 minutes then flip it over to the other side and cook another 1-2 minutes.
Remove them from the grill and spread 1 tablespoon of pesto on top of each one. Top with slices of mozzarella, tomatoes, sausage, and dollop with ricotta.
Put the prepared pizza back on the grill and grill with the lid closed until the mozzarella melts, approximately 1-2 minutes. Finish the pizza with the fresh chopped basil and a sprinkle of kosher salt and black pepper. Serve immediately.