QSR stock has generated market-thumping gains since its IPO in late 2014. It continues to trade at a fair valuation and pays a dividend, too. One of the most popular quick-service companies is Restaurant Brands International (TSX:QSR). It owns and operates brands such as Burger King, Tim Hortons, Firehouse Subs, and Popeyes Louisiana Kitchen. Shares of the company went public in December 2014 and have since returned 215% to investors after adjusting for dividends. In this period, the TSX index has gained 82%. Trading close to all-time highs, QSR stock also pays shareholders an annual dividend of $2.89 per share,…