In a medium bowl, blend creamy salad dressing, yogurt, cumin, salt and pepper. Cover, and place in the refrigerator 1 hour, or until chilled.
Melt butter in a medium saucepan over medium heat. Stir in couscous, and coat with butter. Stir in water, reduce heat, and a simmer, covered, until all water is absorbed, about 5-10 minutes.
Mix couscous, red onion, red bell pepper, parsley, raisins, almonds and chickpeas into the creamy salad dressing mixture. Cover, and chill in the refrigerator until serving.