Blackened Bleu Merlot Onion Burgers - Sutter Home Family Vineyards

Ingredients

• 3 tablespoons butter
• 1 large red onion, quartered and thinly sliced
• 1/2 teaspoon minced fresh garlic
• 1 teaspoon crushed dried thyme
• 1 teaspoon Kosher salt
• 1/2 cup Sutter Home Merlot
• 1/2 cup beef broth
• 1 tablespoon brown sugar
• 1 cup good quality mayonnaise
• 1/2 cup finely crumbled blue cheese
• 1 teaspoon fresh dill, chopped
• 1 pound ground sirloin
• 1 pound ground chuck
• 4 tablespoons melted butter
• 1 jar blackened steak seasoning
• Oil for brushing grill rack
• 6 Onion Hamburger rolls, split