Lightly coat 15- x 10-inch baking sheet with cooking spray. Roll out dough and fit into baking sheet; brush with half of the olive oil. Arrange tomatoes and mozzarella slices over dough. Scatter crab evenly over top.
Bake for 15 to 18 minutes in 450°F oven or until bottom is golden brown and cheese is bubbly. Remove from oven; drizzle with remaining olive oil and balsamic glaze. Scatter basil over top; sprinkle with sea salt.