When ready to cook, set Traeger temperature to 350°F and preheat, lid closed for 15 minutes.
In a medium bowl or the bowl of a stand mixer, combine cream cheese, sour cream, mayonnaise, ranch, salt and hot sauce and mix until combined.
Fold in the cheddar, mozzarella and shredded chicken. Transfer to an ovenproof dish and top with blue cheese and crumbled bacon.
Place dish directly on the grill grate and cook for 20 to 30 minutes until the top is golden brown and dip is bubbling.
Serve with chips, crackers, crostini or sliced vegetables. Enjoy!