Preheat smoker to 350°F.
Next, combine cream cheese, sour cream and ranch in a mixing bowl and mix until smooth.
Add cheddar, colby jack, ¾ bacon, green onion and all the seasonings to the bowl and mix completely.
Put mixture into grill safe tray and spread until even.
Top with parmesan cheese and the rest of the bacon bits.
Put on the smoker for 30 minutes, stirring halfway.
Top with more green onion and serve with your favorite dipping chips.