The Millers left it until stoppage time to see off their ten man opponents as captain Ryan Cresswell bagged the winner, but Moore was a touch frustrated with a host of missed opportunities.
"We had so many chances we should have been out of sight," said Ronnie briefly after the game.
"Overall I don't think that anyone can complain. We had the best chances and if it wasn't for their 'keeper it could have been about five or six.
"They are a lively team and the shape that they play with can cause you problems but we stuck in there and we took advantage of our extra height at the set-plays.
"Lawsy's delivery was fantastic," he added. "The long throw also caused them all sorts of problems. At half-time we should have been four up. We had so many chances at the back post, it was incredible.
"Tayles (Ryan Taylor) hit the post with a header in the second half so I don't think anyone can grumble about the result, I think we fully merited the win."