01 -  Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper. 
 02 -  Whisk together flour, brown sugar, baking powder, baking soda, salt, chai spice blend, garlic powder, onion powder, dried dill, ranch seasoning, and cayenne or Buffalo seasoning in a large bowl. 
 03 -  Add cold, cubed butter to the dry mixture and cut in using a pastry cutter or fingertips until coarse crumbs form. 
 04 -  Combine pumpkin puree, cold buttermilk, egg, and Buffalo-style hot sauce in a separate bowl, whisking until smooth. 
 05 -  Pour wet mixture into the dry ingredients and gently stir until just combined without overmixing. 
 06 -  Turn dough out onto a lightly floured surface and pat into a 1-inch thick round. 
 07 -  Slice into 8 wedges and transfer to the prepared baking sheet, spacing wedges apart. 
 08 -  Brush scone tops with melted butter and sprinkle ranch seasoning and optional chives. 
 09 -  Bake for 18 to 20 minutes or until golden brown and a toothpick inserted comes out clean. 
 10 -  Allow scones to cool slightly before serving. Serve warm or at room temperature.