
Hi,
Has your bitch been hipscored (with a good score, of course!) and passed clear (by a specialist) for the various hereditary eye diseases that affect labradors? If so, then your best bet would be to contact her breeder (if reputable) to discover which labrador bloodlines would be most suitable, and which would be a disaster to combine with hers. It's not as easy as just using any old dog - unless you are happy to risk producing rubbish puppies, and I'm sure you want hers to be the best possible. This will probably mean travelling many miles to use the right dog - the closest is never the best.
I suggest you buy a copy of "The Book of the Bitch". If you do have her mated you will find the information invaluable, and save you many anxious hours.
(And a final point - "golden" is not a term used by people who have studied labradors. The colour is called "yellow". You may not be taken seriously if you ask about a 'golden' lab ;) No offence meant. )
:)