For dressing, in a small bowl whisk together 4 tablespoons of the olive oil, the vinegar, seasoning blend, and sugar; set aside.
In a 12-inch skillet heat 1 tablespoon oil over medium-high heat. Add bread. Cook and stir for 5 minutes or until lightly toasted. Remove from skillet. Add dressing, chicken, and olives to skillet; cook and stir for 2 to 3 minutes or until chicken is heated through. Return bread to skillet; toss to coat.
Arrange lettuce on four plates; top with chicken mixture. Serve immediately.