Cook rice according to package directions, omitting salt and fat.
Melt 1 1/2 tablespoons butter in a large nonstick skillet over medium-high heat. Add garlic to pan; sauté 30 seconds. Add salt, chile powder, and shrimp to pan; sauté 2 minutes. Stir in vermouth, juice, and sugar; cook for 2 minutes or until shrimp are done. Remove from heat; stir in remaining 1 tablespoon butter and cilantro. Serve over rice.