Slow Cooker Chicken and Dumplings

Comforting Chicken and Dumplings in the Slow Cooker: An Easy Way to Enjoy a Hearty Classic
Things needed:
4 chicken breasts that have been deboned and desky
20 milliliters of butter
2 cans, each containing 10.75 ounces soup broth thickened with chicken broth
One thinly sliced onion
chicken broth, 4 cups
1/4 cup sliced celery
1-cup chopped carrots
thyme, dry, 1 teaspoon
For seasoning, add salt and black pepper.
1 cup of peas, frozen
1/2 cup full-fat milk
mixed flour, 2 cups
1.5 teaspoons of baking soda
1/4 teaspoon of salt
Melted unsalted butter, 1/2 cup
measuring one cup of milk