COOK pasta as directed on package, omitting salt.
MEANWHILE, cook and stir scallops in 1/2 cup dressing in large skillet on medium-high heat 2 min. Add artichokes, bell peppers and crushed red pepper; cook and stir until scallops are opaque.
DRAIN pasta. Add to scallop mixture with cheese, olives, basil and remaining dressing; mix lightly.