Classic Burgers with Cheese, Chipotle Ketchup, Horseradish Mustard and Russian Dressing Slaw

Russian Dressing Slaw:

• 1/4 cup ketchup
• 1/4 cup mayonnaise
• 1 tablespoon red wine vinegar
• 1 teaspoon celery seeds
• 1 teaspoon hot smoked paprika
• Kosher salt and freshly ground black pepper
• 1/2 head green cabbage, finely shredded
• 1 medium carrot, peeled and shredded
• 6 green onions, green and pale green parts only, thinly sliced
• 3 tablespoons grated Spanish onion

Chipotle Ketchup:

• 1 cup ketchup
• 2 tablespoons pureed chipotles in adobo

Horseradish Mustard:

• 1 cup Dijon mustard
• 1/4 cup prepared horseradish, drained

Burgers:

• 1 1/2 pounds ground chuck (80 percent lean) or ground turkey (mix of white and dark meat)
• Canola oil, for brushing
• Kosher salt and freshly ground black pepper
• 8 slices American, cheddar, Monterey Jack, pepper Jack or Swiss
• 4 hamburger buns
• 8 ounces potato chips, optional