Place dough in a large bowl coated with cooking spray; lightly coat dough with cooking spray. Cover with a clean cloth, and let rise in a warm place (85), free from drafts, 1 hour.
Roll dough to a 14-inch circle on a lightly floured surface; cover with plastic wrap.
Preheat oven to 45
Cook onion and garlic in 1 Tbsp. hot oil in a 12-inch cast-iron skillet over medium-high heat, stirring often, 2 minutes or until onion is tender.
Add kale and rosemary. Cook, stirring constantly, 2 minutes or just until wilted. Stir in vinegar.
Add salt to taste.
Transfer to a bowl.
Wipe skillet clean. Reduce heat to medium. Coat skillet with 2 tsp. oil; sprinkle with cornmeal. Arrange dough in skillet, gently stretching edges to cover bottom and sides of skillet. Cook over medium heat 2 minutes.
Remove from heat. Top with kale mixture and cheeses.
Brush edges with remaining 1 tsp. oil.
Bake at 450 for 12 to 15 minutes or until crust is golden.