I do use less mayo in mine, fresh, finely diced onion (maybe 2 Tbsp., more than a pinch of garlic powder, half... (allrecipes.com)
Substitute the same amount of light cream cheese and add a pinch of garlic powder. (dinner-mom.com)
Pat the chicken breasts dry, and sprinkle each breast, back and front, with a pinch each of garlic powder, paprika, salt, pepper, and brown sugar. (spachethespatula.com)