Lightly oil the bottom on a 2 quart slow cooker. Arrange the chicken on the bottom of the slow cooker insert and sprinkle the chicken with the ranch dressing mix.
Add cream cheese cubes over top of chicken. Cover and cook on LOW for 6 hours.
Use two forks to shred the chicken while it's still in the slow cooker. Add the bacon bits and stir to mix the cream cheese into the shredded chicken .
Use a spoon to even out the chicken mixture and sprinkle the cheddar cheese on top. Cover and cook for' 10 minutes to allow the cheese to melt.
Serve over rice and top the chicken with green onions.