Need help with a pigeon

Hello i need advice i have a pigeon which i think may be young in my garden it wont fly away doesnt look injured , its a common pigeon its eating seed on the floor from my feeder also has drank from a puddle , its just sitting there with fluffed up feathers it did fly up on the garage roof but came straight back down, my problem is 4 dogs that need to go in my garden i have sectioned it off but im concerned they may get through what do i do help?