Combine cake mix, pumpkin puree, eggs, oil, peanut butter chips, and 1/2 tsp. pumpkin pie spice in a large mixing bowl. Stir until well combined.
Roll into 1 1/2 inch balls and place on baking sheet lined with parchment paper.
*If dough is sticky, refrigerate as necessary.
Bake at 375 degrees 10-12 minutes.
Cool completely.
Melt chocolate chips; stir in 1/2 tsp. pumpkin pie spice.
Drizzle over cookies.