Greek Grilled Chicken & Hummus Wrap

lbs bonless skinless chicken breasts

Olive oil

Salt and freshly ground black pepper

Greek vinaigrette dressing

(10-inch, burrito size) flour tortillas (wheat, low carb or spinach is fine)

hummus (, store-bought or homemade (homemade recipe in notes below))

chopped romaine lettuce

medium roma tomatoes (, diced)

medium cucumber (, peeled and diced)

feta cheese, crumbled