Heat the extra-virgin olive oil in a saucepot over medium heat. Add the bacon, cook 2 minutes, then add the garlic and stir 1 minute. Add the chard and season with a little nutmeg, salt, pepper, and paprika. When the chard is wilted add the rice and stir 1 minute more. Add the stock or water and bring to a boil. Reduce the heat to a simmer and cover the pot. Cook 15 to18 minutes, or until the rice is tender. Fluff with a fork and serve.