Pickled Blueberry, Gorgonzola and Prosciutto Pizzettes

Ingredients

• 10 ounces pizza dough
• 1 cup crumbled gorgonzola cheese, divided
• 1/2 cup heavy cream
• 1 cup shredded mozzarella
• 1/4 pound thinly sliced prosciutto
• 1 cup pickled blueberries
• 1 cup fresh arugula
• 1/2 cup parmesan reggiano cheese, grated
• flour for dusting
• 1 cup vinegar
• 1/4 cup sugar
• 1 1/2 tablespoons kosher sea salt
• 1 1/4 pounds fresh blueberries