Cook pasta to desired doneness as directed on package, adding ear of corn during last 5 minutes of cooking time. Drain; rinse with cold water to cool. Drain well.
Meanwhile, in large bowl, combine all remaining salad ingredients. In small bowl, combine all dressing ingredients; blend well.
Cut corn from cob with sharp knife; add to salad. Add cooked pasta; mix well. Add dressing to salad; toss gently to coat.