The blockbuster Western drama about a ranching dynasty in Montana is one of the most popular shows on TV. But it’s also one of the most expensive. WSJ’s Erich Schwartzel explains how the man behind it — Taylor Sheridan — became one of the priciest bets in Hollywood.       Further Reading and Watching: - Paramount Can’t Say No to the Man Behind ‘Yellowstone’: $50,000 a Week for His Ranch, $25 Per Cow  - Paramount Shares Drop 28% as Streaming Costs Mount  - The Race to Build the ‘Yellowstone’ Universe  Further Listening: - Netflix Turns to Ads  Learn more about your ad choices. Visit megaphone.fm/adchoices