In a medium bowl, combine 2 tablespoons of softened butter, chives, dill, a squirt of sriracha, salt, and pepper, mixing until combined and creamy.
4 tablespoons butter, 2 tablespoons chives, 2 tablespoons dill, sriracha, kosher salt, black pepper
Divide half of the herb butter between two of the slices of sourdough, evenly spreading it on each. Top one of the slices with ⅛ cup each of fontina and cheddar. Top with 4 slices of pickles, evenly spreading them out. Top pickles with another ⅛ cup each of fontina and cheddar, then top slice of sourdough. Repeat with remaining sandwich.
4 pieces sourdough bread, ½ cup fontina, ½ cup cheddar, 8 slices dill pickles
In a large skillet, melt remaining 2 tablespoons butter over medium heat. Add grilled cheeses, pressing down lightly, and cook for 3-5 minutes until golden. Flip and continue cooking until cheese is melted and bottom piece is golden. Serve immediately, with additional fresh dill and ranch if desired.
4 tablespoons butter, ranch