HEAT 1 Tbsp. dressing in large saucepan. Add vegetables; cook until crisp-tender, stirring frequently.

STIR in rice, broth, milk and mustard. Bring to boil; cover. Remove from heat. Let stand 5 min.

MEANWHILE, brush steaks with remaining dressing. Cook in skillet on medium heat 10 to 13 min. or until done (160°F), turning steaks over and covering skillet after 5 min. Serve with rice mixture.