Easy-Does-It Barley Paella

1/2 cup uncooked hulled barley

4 oz bulk chorizo sausage

1 medium onion, chopped (1/2 cup)

1 small red bell pepper, chopped (1/2 cup)

3 cloves garlic, finely chopped

1 can (14 1/2 oz) petite diced tomatoes, undrained

1 teaspoon smoked Spanish paprika

1 1/2 cups (1-inch pieces) cooked chicken breast

4 oz frozen cooked cocktail shrimp (from 12-oz bag), thawed, drained and tails shells removed

1 cup frozen sweet peas (from 1-lb bag), thawed

1 can (14 oz) artichoke hearts, drained, cut into fourths