Mix the cajun seasonings together in a shallow bowl or plate with a spoon until well mixed.
Cook the onions and garlic in a pan with olive oil and some of the cajun seasonings until soft.
Add the rice and broth to the skillet Place the lid on the skillet and heat until the rice is soft and fluffy.
Stir the rice occasionally to prevent burning and mix into the cajun seasonings.
Toss the shrimp in the remaining cajun seasoning and toss to coat.
Add the shrimp and kielbasa to the skillet. Place the lid on top and allow the meat to cook until done.