Pre-heat 1 gallon of vegetable oil in a large electric fryer and pre-heat to 375 degrees.
Combine 2 cups of the rice flour and the next 5 ingredients in a medium bowl until smooth.
In a small bowl, combine the cream cheese and blue cheese.
Scoop the mixture into 1" balls with a small scoop and transfer the balls to a foil lined sheet pan. Freeze for 2 hours or until firm.
Transfer remaining 1/2 cup flour into a resealable plastic bag. Add frozen blue cheese balls. Roll around balls until well coated. Set aside.
Add remaining cheese cubes to the bag. toss in the bag until cubes are well coated. Set aside.
Transfer 4-5 pieces of the reserved cheese balls and cubes into the batter. Stir them around to coat them completely. Using a wooden toothpick, transfer cubes one at a time into the hot oil.
Fry for 2-3 minutes or until golden brown and cheese starts to melt out.
Transfer to a plate lined with paper towels to drain. Serve with a side of ranch dressing.