Beef Kofta Kebabs

Name: Beef Kofta Kebabs
Ingredients: 4 wooden skewers ( or metal skewers); 1 pound ground beef (you need some fat in the meat, use 85/15 or 80/20 for the best results.); 1 cup onion (finely minced); 1 tsp garlic (finely minced); 2 tsp sweet paprika (or smoked paprika); 1 tsp cumin; 1 tsp turmeric; 1 tsp sea salt; ¼ tsp black pepper; ¼ tsp red pepper flakes (more or less to taste); ¼ cup fresh parsley (chopped); ¼ cup fresh cilantro (chopped); 1 tbsp fresh mint leaves (chopped); 1 cup Greek yogurt; ½ cup grated peeled cucumber (squeeze dry); 1 tsp fresh lemon juice; 1 tsp fresh mint (finely chopped); ¼ tsp salt (to taste)