just because you are lactose intolerant doesn't mean you have to avoid all things milk.

like whey isolate for example. extremely small quantity of lactose if present.

lots of whey isolate in the market with good protein to price ratio.

That product you took contains whey concentrate which still have significant amount of lactose.

Go for whey isolate. Very little lactose.

Almost all the brand have about the same protein to serving size ratio. So just go ahead and pick the flavor, brand, and price that suite you. Taste is subjective to each person so I can’t recommend you any specific product.

And learn to read and understand the labels.