Ronaldo was back on form against Los Boquerones.
"Cristiano is an example," Vallejo said to reporters.
"He trains every day at his best, and he doesn't only score goals, he provides a lot of assists and we have to value him."
An expectant Estadio Santiago Bernabéu crowd finally got what they wanted when Ronaldo hit the winner on 75 minutes.
"Despite the 2-2, the crowd pushed us to the end and we managed to score the third goal," Vallejo continued.
Now getting more minutes in the first team, mainly due to injuries to key players, the youngster is more than happy with his current situation.
"I'm happy and I've adapted," he said.
"Real Madrid is the best club in the world and hopefully I'll be here for many years."