Blackened Cod with Wild Rice and Greens

Name: Blackened Cod with Wild Rice and Greens
Ingredients: 1 cup chicken stock; 1 tsp reduced sodium soy sauce; 12 oz cod (fillets); 1 Tbsp Cajun seasoning; 5 oz wild rice (dry); 1 cup yellow onion (julienne sliced); 1 cup celery stalks (julienne sliced); 1 cup green bell pepper (chopped); 2 tsp fresh garlic (peeled and minced); 6 oz collard greens (chopped); 1 cup canned cannellini beans, low sodium (drained and rinsed); 1/4 cup fresh parsley (chopped); 1/2 each lemon (cut into wedges); 1 Tbsp canola oil