Pulled chicken open-faced sandwiches with sweet onions - Trois fois par jour

Ingredients

• 1 large red onion, minced
• 1/4 cup water
• 1/4 cup lime juice
• 1/2 cup white vinegar
• 1/2 tablespoon dried oregano
• 2 tablespoons sugar
• 1 tablespoon salt
• 6 English muffins
• 10 chicken thighs, boneless and skinless
• 2 cups chicken broth
• 2 teaspoons mild paprika
• 1 tablespoon chili seasoning
• 2 teaspoons garlic powder
• 2 teaspoons powdered mustard
• 1/4 cup store-bought BBQ sauce of your choice
• 4 green onions, minced