John Ross Ewing III (as played by Josh Henderson on Dallas)
Useful information about John Ross Ewing III
* Junior is the original bad boy, JR's son.
Who's played John Ross Ewing III over the years?
Josh Henderson - (June 13, 2012 - present)
John Ross Ewing was born to Sue Ellen and JR Ewing. We fast forward 20 years to learn John Ross is more like his daddy than his mother. John Ross privately went against Ellie's wishes and drilled for oil on the ranch property. They struck oil, but at a cost. He knocked heads with his uncle Bobby.