1. First of all I think that there is no such thing as a "very open policy of no rivals in Eurasia" from the US government. There is no official document saying "We the USA declare we do not want rivals in Eurasia" . I view it differently: The US has a "very open policy" of promoting its economic model. You may disagree with it and prefer some sort of alternative system, but I do not think the US is actively looking for rivals to start the next war. Wars are costly and wars are usually bad for the political party in power. Also, the US is very different from the conquering empires of the past. Don't get me wrong: I disagree with most of the wars that the US government has started, but at the same time I know human history enough to tell you that the US armed forces of the 21st century are one of the most highly trained, ethical armies in all of the world's history: If and when they commit war crimes, usually their actions get shitloads of media attention and the perpetrators are punished swiftly. Go ahead, ask any armed rebel from te myriads of terrorist organisations out there whether they prefer to be taken captive by the US army or by the Russian army....
2. As I said the US wants to promote its own economic view of the world, and that of course means open markets and as you say, open the Ukraine to American corporations. So I agree with you in that point, but, may I ask, where is the evil in that? Sure corporations unfortunately do not act ethically always (that is why the "evil" American model you despise also promotes a strong legal system), but let's not forget that they usually also bring investment and jobs to a country. I can mention many countries that have open themselves to foreign corporations in the last decades and their populations are far better off now in terms of living standards.
So yes this is a battle of ideas. Western ideas vs. Russian ideas, but all you have to do is take a look at the statistics and there is a clear winner as of which system has so far provided the best living standards for a majority of their population. That does not mean that a "western" system of free markets with state welfare is perfect, it is by all means a work in progress, but compared to the misery of other systems it is the best one we've got at this point in humanity's history. And by the way: I am not even an American.