NO! You should not try and feed salsa to your dog because it contains a variety of ingredients that are potentially toxic for dogs to consume.
Ingredients such as garlic and onions are actually toxic to a dog and could cause them to get sick or even worse die.
There really is no nutritional benefits for a dog to eat salsa and therefore this type of food should just be avoided at all costs.
If your dog is to consume a bit of salsa make sure to watch your dog closely and if you notice them having issues make sure to take your dog to the vet.
In very small quantities your dog should be fine if they eat a little salsa but larger amounts can be a lot more worrisome.
No, do not let your dog eat salsa at all because there is too much risks involved when it comes to your dogs health.
There are plenty of better alternatives to what dogs can eat and you can find a whole large section of it here.
Make sure to take care of your dog and do not give them salsa because it will most likely make them sick and cause symptoms such as upset stomach, diarrhea and possibly vomiting.