Thoroughly drain the canned chicken breast and place it into a large bowl, breaking it apart evenly with a fork.
Add chopped celery and green onions to the bowl and mix lightly.
Incorporate mayonnaise, sour cream, mustard powder, and fresh dill, stirring well so every ingredient is coated with the dressing.
Gently fold in unsweetened dried cranberries, walnuts, pecans, and sliced almonds to keep the nuts whole.
Season the salad with salt and pepper, adjusting flavors to your preference.
Sprinkle the crumbled tomato basil goat cheese on top instead of mixing it in, then serve or pack into containers for meal prep.