Cook or grill chicken.
Cut chicken into pieces.
Slice cucumber, tomatoes, and Kalamata olives and set aside.
Cook couscous according to directions on package.
Combine couscous, chicken, cucumbers, tomatoes, and Kalamata olives in a bowl.
Salt and pepper to taste.
Add a dollop of Greek yogurt to each bowl, and sprinkle with feta. Sprinkle the mixture with fresh dill.