"A big points weekend for us. Hopefully we can carry momentum. I still want to win at this place. Huge credit to Josef. He drove a hell of a race".
Dixon but was stymied by lapped traffic in his bid to catch Newgarden.
"You know the lapped traffic is trying to stay on the lead lap," Dixon said. "I thought we had a run on Josef, but once we caught the traffic it wasn't enough."
Dixon's Ganassi teammate rookie Felix Rosenqvist finished second as Penske and Chip Ganassi Racing drivers took out the top four spots.
Alexander Rossi from Andretti Autosport finished fifth, followed by James Hinchcliffe of Arrow Schmidt Peterson Motorsports and then Simon Pagenaud, the third driver in the Penske lineup.