In a medium bowl, add mayo, sour cream, dijon mustard, salt, pepper, paprika, garlic powder, onion powder, sugar, and apple cider vinegar. Stir well. Keep in the refrigerator until ready.
Chicken Prep
Skip the step below if using a rotisserie chicken, tear into strips.
Add water to a large pot. On medium heat, boil water.
Rinse chicken breast and add to a large pot. Add water to cover and bring to a boil. Add chicken and poultry rub seasoning. Cook for 25 minutes.
Remove from water. Let rest for 5 minutes. Using two forks shred chicken and set aside.
Shrimp Prep
Rinse deveined and peeled shrimp pat dry with a paper towel, ensuring to remove all water.
In a bowl, add shrimp, 1 tbsp olive oil and cajun seasoning. Mix well.
On medium-low heat, using a skillet, add 1 tbsp of olive oil to the pan.
Add shrimp, and sauté on each side for 5 mins or until golden brown.
Potato Salad Prep
Dice potatoes to bite size pieces. Rinse and add to a large pot of water. On medium heat, bring to a boil. Cook for 25 minutes. Drain them well.
Add potatoes back to the pan to allow the heat to soak up any extra water.
Next add the poached or rotisserie chicken.
In a large bowl, add potatoes, onions, celery, and green pepper. Stir well.
Mix in the salad dressing. Stir well.
Add potato salad to a casserole dish or large bowl.
Top the potato salad with sautéed shrimp. Optional add bacon bits. Sprinkle with smoked paprika and parsley.