In a bowl combine flour, yogurt, baking soda, baking powder, pumpkin puree, pumpkin pie spice, and salt. Mix until dough starts to come together, then pour onto the counter and knead for 5 minutes. Adding more flour if dough becomes too sticky.
Section dough into 12 pieces and shape each piece into a round ball.
In a small bowl combine granulated sugar and cinnamon for the coating. Mix to combine.
Roll each ball in the sugar and cinnamon mixture
Bake in air fryer or oven for 5 minutes, turn each ball and bake an additional 5-6 minutes. If baking in oven bake for 6 minutes each side.