It's always nice to see the prices of your stock appreciate, but that's not the only way to make a good amount of money in the stock market. There are also dividends, which are more predictable and can significantly contribute to your total returns.As of June 30, the S&P 500's dividend yield is just under 1.3%, but there's an ultra-high-yield dividend stock that offers a yield over 5.5 times that amount: Energy Transfer (ET 0.51%).It hasn't been the best year for Energy Transfer, down over 7% through June 3 ...