Meanwhile, heat oil in large nonstick skillet on medium heat. Add chicken; cook and stir 8 min. or until done. Stir in tomato paste and garlic powder; cook and stir on medium-high heat 1 min. Add tomatoes, water and dressing; cook 2 min., stirring occasionally.
Drain pasta; place in large bowl. Add sauce; toss to coat. Sprinkle with cheese.