The ball dropped to the big striker in the area but he blazed the best chance of the match over with five minutes remaining.
"We gave them very few opportunities so when it did fall to him (Holt)...it would have been difficult to take," Freedman said.
"I don't think it would have been the right result but against top players like Grant you have to be on it for 95 minutes.
"We had a few chances against a top team so we were unlucky not to get three points. But it's fantastic to get a point, they are a top-six team and will be up there at the end of the season.
"We are fighting for our lives and the lads showed that."