▢10-12 red potatoes cubed ▢3 tablespoons water pressure cooker ½ cup ▢¾ pound smoked kielbasa or Polish sausage cut into ¼-inch slices**** ▢½ cup chopped onion ▢1 tablespoon olive oil ▢2 tablespoons brown sugar ▢2 tablespoons cider vinegar ▢1 tablespoon Dijon mustard ▢½ teaspoon dried thyme ▢¼ teaspoon pepper ▢4 cups fresh baby spinach ▢5 bacon strips cooked and crumbled