Rotherham boosted their League One play-off hopes after coming from behind to beat MK Dons 2-1.The Millers struck twice inside 10 first-half minutes to secure only their second win in 10 League One matches.Chuks Aneke got the visitors off to a flyer when he curled home a free-kick from 23 yards after nine minutes.But the Millers levelled after 20 minutes when Semi Ajayi beat a dithering Lee Nicholls to a knock down after Will Vaulks' long throw caused confusion.The comeback was complete nine minutes later when Vaulks smashed an unstoppable effort into the top corner from long range.Nicholls produced a stunning reaction save two minutes after the restart to keep out Jerry Yates, before David Ball had a goalbound effort blocked as the Millers pushed for a decisive third.Aneke should have levelled after 74 minutes when he directed a free header straight at Marek Rodak but the Millers held on.